81802980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 384

約数和(自身を含む): 329011200

約数和(自身を除く): 247208220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 27, 28, 30, 34, 35, 36, 38, 42, 45, 51, 54, 57, 60, 63, 67, 68, 70, 76, 84, 85, 90, 95, 102, 105, 108, 114, 119, 126, 133, 134, 135, 140, 153, 170, 171, 180, 189, 190, 201, 204, 210, 228, 238, 252, 255, 266, 268, 270, 285, 306, 315, 323, 335, 340, 342, 357, 378, 380, 399, 402, 420, 459, 469, 476, 510, 513, 532, 540, 570, 595, 603, 612, 630, 646, 665, 670, 684, 714, 756, 765, 798, 804, 855, 918, 938, 945, 969, 1005, 1020, 1026, 1071, 1139, 1140, 1190, 1197, 1206, 1260, 1273, 1292, 1330, 1340, 1407, 1428, 1530, 1596, 1615, 1710, 1785, 1809, 1836, 1876, 1890, 1938, 1995, 2010, 2052, 2142, 2261, 2278, 2295, 2345, 2380, 2394, 2412, 2546, 2565, 2660, 2814, 2907, 3015, 3060, 3213, 3230, 3417, 3420, 3570, 3591, 3618, 3780, 3819, 3876, 3990, 4020, 4221, 4284, 4522, 4556, 4590, 4690, 4788, 4845, 5092, 5130, 5355, 5628, 5695, 5814, 5985, 6030, 6365, 6426, 6460, 6783, 6834, 7035, 7140, 7182, 7236, 7638, 7973, 7980, 8442, 8721, 8911, 9044, 9045, 9180, 9380, 9690, 10251, 10260, 10710, 11305, 11390, 11457, 11628, 11970, 12060, 12663, 12730, 12852, 13566, 13668, 14070, 14364, 14535, 15276, 15946, 16065, 16884, 17085, 17442, 17822, 17955, 18090, 19095, 19380, 20349, 20502, 21105, 21420, 21641, 22610, 22780, 22914, 23919, 23940, 25326, 25460, 26733, 27132, 28140, 29070, 30753, 31892, 32130, 33915, 34170, 34371, 34884, 35644, 35910, 36180, 38190, 39865, 40698, 41004, 42210, 43282, 43605, 44555, 45220, 45828, 47838, 50652, 51255, 53466, 57285, 58140, 61047, 61506, 63315, 64260, 64923, 67830, 68340, 68742, 71757, 71820, 76380, 79730, 80199, 81396, 84420, 86564, 87210, 89110, 95676, 101745, 102510, 106932, 108205, 114570, 119595, 122094, 123012, 126630, 129846, 133665, 135660, 137484, 143514, 151487, 153765, 159460, 160398, 171855, 174420, 178220, 194769, 203490, 205020, 215271, 216410, 229140, 239190, 240597, 244188, 253260, 259692, 267330, 287028, 302974, 305235, 307530, 320796, 324615, 343710, 358785, 389538, 400995, 406980, 430542, 432820, 454461, 478380, 481194, 534660, 584307, 605948, 610470, 615060, 649230, 687420, 717570, 757435, 779076, 801990, 861084, 908922, 962388, 973845, 1076355, 1168614, 1202985, 1220940, 1298460, 1363383, 1435140, 1514870, 1603980, 1817844, 1947690, 2152710, 2272305, 2337228, 2405970, 2726766, 2921535, 3029740, 3895380, 4090149, 4305420, 4544610, 4811940, 5453532, 5843070, 6816915, 8180298, 9089220, 11686140, 13633830, 16360596, 20450745, 27267660, 40901490, 81802980]

約数ペア:

[(1, 81802980), (2, 40901490), (3, 27267660), (4, 20450745), (5, 16360596), (6, 13633830), (7, 11686140), (9, 9089220), (10, 8180298), (12, 6816915), (14, 5843070), (15, 5453532), (17, 4811940), (18, 4544610), (19, 4305420), (20, 4090149), (21, 3895380), (27, 3029740), (28, 2921535), (30, 2726766), (34, 2405970), (35, 2337228), (36, 2272305), (38, 2152710), (42, 1947690), (45, 1817844), (51, 1603980), (54, 1514870), (57, 1435140), (60, 1363383), (63, 1298460), (67, 1220940), (68, 1202985), (70, 1168614), (76, 1076355), (84, 973845), (85, 962388), (90, 908922), (95, 861084), (102, 801990), (105, 779076), (108, 757435), (114, 717570), (119, 687420), (126, 649230), (133, 615060), (134, 610470), (135, 605948), (140, 584307), (153, 534660), (170, 481194), (171, 478380), (180, 454461), (189, 432820), (190, 430542), (201, 406980), (204, 400995), (210, 389538), (228, 358785), (238, 343710), (252, 324615), (255, 320796), (266, 307530), (268, 305235), (270, 302974), (285, 287028), (306, 267330), (315, 259692), (323, 253260), (335, 244188), (340, 240597), (342, 239190), (357, 229140), (378, 216410), (380, 215271), (399, 205020), (402, 203490), (420, 194769), (459, 178220), (469, 174420), (476, 171855), (510, 160398), (513, 159460), (532, 153765), (540, 151487), (570, 143514), (595, 137484), (603, 135660), (612, 133665), (630, 129846), (646, 126630), (665, 123012), (670, 122094), (684, 119595), (714, 114570), (756, 108205), (765, 106932), (798, 102510), (804, 101745), (855, 95676), (918, 89110), (938, 87210), (945, 86564), (969, 84420), (1005, 81396), (1020, 80199), (1026, 79730), (1071, 76380), (1139, 71820), (1140, 71757), (1190, 68742), (1197, 68340), (1206, 67830), (1260, 64923), (1273, 64260), (1292, 63315), (1330, 61506), (1340, 61047), (1407, 58140), (1428, 57285), (1530, 53466), (1596, 51255), (1615, 50652), (1710, 47838), (1785, 45828), (1809, 45220), (1836, 44555), (1876, 43605), (1890, 43282), (1938, 42210), (1995, 41004), (2010, 40698), (2052, 39865), (2142, 38190), (2261, 36180), (2278, 35910), (2295, 35644), (2345, 34884), (2380, 34371), (2394, 34170), (2412, 33915), (2546, 32130), (2565, 31892), (2660, 30753), (2814, 29070), (2907, 28140), (3015, 27132), (3060, 26733), (3213, 25460), (3230, 25326), (3417, 23940), (3420, 23919), (3570, 22914), (3591, 22780), (3618, 22610), (3780, 21641), (3819, 21420), (3876, 21105), (3990, 20502), (4020, 20349), (4221, 19380), (4284, 19095), (4522, 18090), (4556, 17955), (4590, 17822), (4690, 17442), (4788, 17085), (4845, 16884), (5092, 16065), (5130, 15946), (5355, 15276), (5628, 14535), (5695, 14364), (5814, 14070), (5985, 13668), (6030, 13566), (6365, 12852), (6426, 12730), (6460, 12663), (6783, 12060), (6834, 11970), (7035, 11628), (7140, 11457), (7182, 11390), (7236, 11305), (7638, 10710), (7973, 10260), (7980, 10251), (8442, 9690), (8721, 9380), (8911, 9180), (9044, 9045)]