28871640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 320

約数和(自身を含む): 118483200

約数和(自身を除く): 89611560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 67, 70, 72, 76, 81, 84, 90, 95, 105, 108, 114, 120, 126, 133, 134, 135, 140, 152, 162, 168, 171, 180, 189, 190, 201, 210, 216, 228, 252, 266, 268, 270, 280, 285, 315, 324, 335, 342, 360, 378, 380, 399, 402, 405, 420, 456, 469, 504, 513, 532, 536, 540, 567, 570, 603, 630, 648, 665, 670, 684, 756, 760, 798, 804, 810, 840, 855, 938, 945, 1005, 1026, 1064, 1080, 1134, 1140, 1197, 1206, 1260, 1273, 1330, 1340, 1368, 1407, 1512, 1539, 1596, 1608, 1620, 1710, 1809, 1876, 1890, 1995, 2010, 2052, 2268, 2280, 2345, 2394, 2412, 2520, 2546, 2565, 2660, 2680, 2814, 2835, 3015, 3078, 3192, 3240, 3420, 3591, 3618, 3752, 3780, 3819, 3990, 4020, 4104, 4221, 4536, 4690, 4788, 4824, 5092, 5130, 5320, 5427, 5628, 5670, 5985, 6030, 6156, 6365, 6840, 7035, 7182, 7236, 7560, 7638, 7695, 7980, 8040, 8442, 8911, 9045, 9380, 9576, 10184, 10260, 10773, 10854, 11256, 11340, 11457, 11970, 12060, 12312, 12663, 12730, 14070, 14364, 14472, 15276, 15390, 15960, 16884, 17822, 17955, 18090, 18760, 19095, 20520, 21105, 21546, 21708, 22680, 22914, 23940, 24120, 25326, 25460, 26733, 27135, 28140, 28728, 30552, 30780, 33768, 34371, 35644, 35910, 36180, 37989, 38190, 42210, 43092, 43416, 44555, 45828, 47880, 50652, 50920, 53466, 53865, 54270, 56280, 57285, 61560, 63315, 68742, 71288, 71820, 72360, 75978, 76380, 80199, 84420, 86184, 89110, 91656, 101304, 103113, 106932, 107730, 108540, 114570, 126630, 133665, 137484, 143640, 151956, 152760, 160398, 168840, 171855, 178220, 189945, 206226, 213864, 215460, 217080, 229140, 240597, 253260, 267330, 274968, 303912, 320796, 343710, 356440, 379890, 400995, 412452, 430920, 458280, 481194, 506520, 515565, 534660, 641592, 687420, 721791, 759780, 801990, 824904, 962388, 1031130, 1069320, 1202985, 1374840, 1443582, 1519560, 1603980, 1924776, 2062260, 2405970, 2887164, 3207960, 3608955, 4124520, 4811940, 5774328, 7217910, 9623880, 14435820, 28871640]

約数ペア:

[(1, 28871640), (2, 14435820), (3, 9623880), (4, 7217910), (5, 5774328), (6, 4811940), (7, 4124520), (8, 3608955), (9, 3207960), (10, 2887164), (12, 2405970), (14, 2062260), (15, 1924776), (18, 1603980), (19, 1519560), (20, 1443582), (21, 1374840), (24, 1202985), (27, 1069320), (28, 1031130), (30, 962388), (35, 824904), (36, 801990), (38, 759780), (40, 721791), (42, 687420), (45, 641592), (54, 534660), (56, 515565), (57, 506520), (60, 481194), (63, 458280), (67, 430920), (70, 412452), (72, 400995), (76, 379890), (81, 356440), (84, 343710), (90, 320796), (95, 303912), (105, 274968), (108, 267330), (114, 253260), (120, 240597), (126, 229140), (133, 217080), (134, 215460), (135, 213864), (140, 206226), (152, 189945), (162, 178220), (168, 171855), (171, 168840), (180, 160398), (189, 152760), (190, 151956), (201, 143640), (210, 137484), (216, 133665), (228, 126630), (252, 114570), (266, 108540), (268, 107730), (270, 106932), (280, 103113), (285, 101304), (315, 91656), (324, 89110), (335, 86184), (342, 84420), (360, 80199), (378, 76380), (380, 75978), (399, 72360), (402, 71820), (405, 71288), (420, 68742), (456, 63315), (469, 61560), (504, 57285), (513, 56280), (532, 54270), (536, 53865), (540, 53466), (567, 50920), (570, 50652), (603, 47880), (630, 45828), (648, 44555), (665, 43416), (670, 43092), (684, 42210), (756, 38190), (760, 37989), (798, 36180), (804, 35910), (810, 35644), (840, 34371), (855, 33768), (938, 30780), (945, 30552), (1005, 28728), (1026, 28140), (1064, 27135), (1080, 26733), (1134, 25460), (1140, 25326), (1197, 24120), (1206, 23940), (1260, 22914), (1273, 22680), (1330, 21708), (1340, 21546), (1368, 21105), (1407, 20520), (1512, 19095), (1539, 18760), (1596, 18090), (1608, 17955), (1620, 17822), (1710, 16884), (1809, 15960), (1876, 15390), (1890, 15276), (1995, 14472), (2010, 14364), (2052, 14070), (2268, 12730), (2280, 12663), (2345, 12312), (2394, 12060), (2412, 11970), (2520, 11457), (2546, 11340), (2565, 11256), (2660, 10854), (2680, 10773), (2814, 10260), (2835, 10184), (3015, 9576), (3078, 9380), (3192, 9045), (3240, 8911), (3420, 8442), (3591, 8040), (3618, 7980), (3752, 7695), (3780, 7638), (3819, 7560), (3990, 7236), (4020, 7182), (4104, 7035), (4221, 6840), (4536, 6365), (4690, 6156), (4788, 6030), (4824, 5985), (5092, 5670), (5130, 5628), (5320, 5427)]