172439820

素因数分解:

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

素因数の和:72

約数の個数: 288

約数和(自身を含む): 658828800

約数和(自身を除く): 486388980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 342, 343, 378, 380, 399, 420, 441, 490, 513, 532, 540, 570, 588, 630, 665, 684, 686, 735, 756, 798, 855, 882, 931, 945, 980, 1026, 1029, 1140, 1197, 1260, 1323, 1330, 1372, 1470, 1596, 1710, 1715, 1764, 1862, 1890, 1995, 2052, 2058, 2205, 2394, 2401, 2565, 2646, 2660, 2793, 2940, 3087, 3420, 3430, 3591, 3724, 3780, 3990, 4116, 4410, 4655, 4788, 4802, 5130, 5145, 5292, 5586, 5985, 6174, 6517, 6615, 6860, 7182, 7203, 7980, 8379, 8820, 9261, 9310, 9604, 10260, 10290, 11172, 11970, 12005, 12348, 13034, 13230, 13965, 14364, 14406, 15435, 16758, 16807, 17955, 18522, 18620, 19551, 20580, 21609, 23940, 24010, 25137, 26068, 26460, 27930, 28812, 30870, 32585, 33516, 33614, 35910, 36015, 37044, 39102, 41895, 43218, 45619, 46305, 48020, 50274, 50421, 55860, 58653, 61740, 64827, 65170, 67228, 71820, 72030, 78204, 83790, 84035, 86436, 91238, 92610, 97755, 100548, 100842, 108045, 117306, 125685, 129654, 130340, 136857, 144060, 151263, 167580, 168070, 175959, 182476, 185220, 195510, 201684, 216090, 228095, 234612, 251370, 252105, 259308, 273714, 293265, 302526, 319333, 324135, 336140, 351918, 391020, 410571, 432180, 453789, 456190, 502740, 504210, 547428, 586530, 605052, 638666, 648270, 684285, 703836, 756315, 821142, 879795, 907578, 912380, 957999, 1008420, 1173060, 1231713, 1277332, 1296540, 1368570, 1512630, 1596665, 1642284, 1759590, 1815156, 1915998, 2052855, 2268945, 2463426, 2737140, 2873997, 3025260, 3193330, 3519180, 3831996, 4105710, 4537890, 4789995, 4926852, 5747994, 6158565, 6386660, 8211420, 8621991, 9075780, 9579990, 11495988, 12317130, 14369985, 17243982, 19159980, 24634260, 28739970, 34487964, 43109955, 57479940, 86219910, 172439820]

約数ペア:

[(1, 172439820), (2, 86219910), (3, 57479940), (4, 43109955), (5, 34487964), (6, 28739970), (7, 24634260), (9, 19159980), (10, 17243982), (12, 14369985), (14, 12317130), (15, 11495988), (18, 9579990), (19, 9075780), (20, 8621991), (21, 8211420), (27, 6386660), (28, 6158565), (30, 5747994), (35, 4926852), (36, 4789995), (38, 4537890), (42, 4105710), (45, 3831996), (49, 3519180), (54, 3193330), (57, 3025260), (60, 2873997), (63, 2737140), (70, 2463426), (76, 2268945), (84, 2052855), (90, 1915998), (95, 1815156), (98, 1759590), (105, 1642284), (108, 1596665), (114, 1512630), (126, 1368570), (133, 1296540), (135, 1277332), (140, 1231713), (147, 1173060), (171, 1008420), (180, 957999), (189, 912380), (190, 907578), (196, 879795), (210, 821142), (228, 756315), (245, 703836), (252, 684285), (266, 648270), (270, 638666), (285, 605052), (294, 586530), (315, 547428), (342, 504210), (343, 502740), (378, 456190), (380, 453789), (399, 432180), (420, 410571), (441, 391020), (490, 351918), (513, 336140), (532, 324135), (540, 319333), (570, 302526), (588, 293265), (630, 273714), (665, 259308), (684, 252105), (686, 251370), (735, 234612), (756, 228095), (798, 216090), (855, 201684), (882, 195510), (931, 185220), (945, 182476), (980, 175959), (1026, 168070), (1029, 167580), (1140, 151263), (1197, 144060), (1260, 136857), (1323, 130340), (1330, 129654), (1372, 125685), (1470, 117306), (1596, 108045), (1710, 100842), (1715, 100548), (1764, 97755), (1862, 92610), (1890, 91238), (1995, 86436), (2052, 84035), (2058, 83790), (2205, 78204), (2394, 72030), (2401, 71820), (2565, 67228), (2646, 65170), (2660, 64827), (2793, 61740), (2940, 58653), (3087, 55860), (3420, 50421), (3430, 50274), (3591, 48020), (3724, 46305), (3780, 45619), (3990, 43218), (4116, 41895), (4410, 39102), (4655, 37044), (4788, 36015), (4802, 35910), (5130, 33614), (5145, 33516), (5292, 32585), (5586, 30870), (5985, 28812), (6174, 27930), (6517, 26460), (6615, 26068), (6860, 25137), (7182, 24010), (7203, 23940), (7980, 21609), (8379, 20580), (8820, 19551), (9261, 18620), (9310, 18522), (9604, 17955), (10260, 16807), (10290, 16758), (11172, 15435), (11970, 14406), (12005, 14364), (12348, 13965), (13034, 13230)]