217603260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 240

約数和(自身を含む): 806615040

約数和(自身を除く): 589011780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 567, 619, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1238, 1260, 1302, 1395, 1620, 1674, 1857, 1860, 1890, 1953, 2170, 2268, 2476, 2511, 2604, 2790, 2835, 3095, 3255, 3348, 3714, 3780, 3906, 4185, 4333, 4340, 5022, 5571, 5580, 5670, 5859, 6190, 6510, 7428, 7812, 8370, 8666, 9285, 9765, 10044, 11142, 11340, 11718, 12380, 12555, 12999, 13020, 16713, 16740, 17332, 17577, 18570, 19189, 19530, 21665, 22284, 23436, 25110, 25998, 27855, 29295, 33426, 35154, 37140, 38378, 38997, 39060, 43330, 50139, 50220, 51996, 55710, 57567, 58590, 64995, 66852, 70308, 76756, 77994, 83565, 86660, 87885, 95945, 100278, 111420, 115134, 116991, 117180, 129990, 134323, 155988, 167130, 172701, 175770, 191890, 194985, 200556, 230268, 233982, 250695, 259980, 268646, 287835, 334260, 345402, 350973, 351540, 383780, 389970, 402969, 467964, 501390, 518103, 537292, 575670, 584955, 671615, 690804, 701946, 779940, 805938, 863505, 1002780, 1036206, 1151340, 1169910, 1208907, 1343230, 1403892, 1554309, 1611876, 1727010, 1754865, 2014845, 2072412, 2339820, 2417814, 2590515, 2686460, 3108618, 3454020, 3509730, 3626721, 4029690, 4835628, 5181030, 6044535, 6217236, 7019460, 7253442, 7771545, 8059380, 10362060, 10880163, 12089070, 14506884, 15543090, 18133605, 21760326, 24178140, 31086180, 36267210, 43520652, 54400815, 72534420, 108801630, 217603260]

約数ペア:

[(1, 217603260), (2, 108801630), (3, 72534420), (4, 54400815), (5, 43520652), (6, 36267210), (7, 31086180), (9, 24178140), (10, 21760326), (12, 18133605), (14, 15543090), (15, 14506884), (18, 12089070), (20, 10880163), (21, 10362060), (27, 8059380), (28, 7771545), (30, 7253442), (31, 7019460), (35, 6217236), (36, 6044535), (42, 5181030), (45, 4835628), (54, 4029690), (60, 3626721), (62, 3509730), (63, 3454020), (70, 3108618), (81, 2686460), (84, 2590515), (90, 2417814), (93, 2339820), (105, 2072412), (108, 2014845), (124, 1754865), (126, 1727010), (135, 1611876), (140, 1554309), (155, 1403892), (162, 1343230), (180, 1208907), (186, 1169910), (189, 1151340), (210, 1036206), (217, 1002780), (252, 863505), (270, 805938), (279, 779940), (310, 701946), (315, 690804), (324, 671615), (372, 584955), (378, 575670), (405, 537292), (420, 518103), (434, 501390), (465, 467964), (540, 402969), (558, 389970), (567, 383780), (619, 351540), (620, 350973), (630, 345402), (651, 334260), (756, 287835), (810, 268646), (837, 259980), (868, 250695), (930, 233982), (945, 230268), (1085, 200556), (1116, 194985), (1134, 191890), (1238, 175770), (1260, 172701), (1302, 167130), (1395, 155988), (1620, 134323), (1674, 129990), (1857, 117180), (1860, 116991), (1890, 115134), (1953, 111420), (2170, 100278), (2268, 95945), (2476, 87885), (2511, 86660), (2604, 83565), (2790, 77994), (2835, 76756), (3095, 70308), (3255, 66852), (3348, 64995), (3714, 58590), (3780, 57567), (3906, 55710), (4185, 51996), (4333, 50220), (4340, 50139), (5022, 43330), (5571, 39060), (5580, 38997), (5670, 38378), (5859, 37140), (6190, 35154), (6510, 33426), (7428, 29295), (7812, 27855), (8370, 25998), (8666, 25110), (9285, 23436), (9765, 22284), (10044, 21665), (11142, 19530), (11340, 19189), (11718, 18570), (12380, 17577), (12555, 17332), (12999, 16740), (13020, 16713)]