160005720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{797}}^1$

素因数の和:1057

約数の個数: 128

約数和(自身を含む): 551577600

約数和(自身を除く): 391571880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 797, 840, 956, 1195, 1434, 1594, 1673, 1912, 2390, 2391, 2868, 3188, 3346, 3585, 3985, 4780, 4782, 5019, 5579, 5736, 6376, 6692, 7170, 7970, 8365, 9560, 9564, 10038, 11158, 11955, 13384, 14340, 15940, 16730, 16737, 19128, 20076, 22316, 23910, 25095, 27895, 28680, 31880, 33460, 33474, 40152, 44632, 47820, 50190, 55790, 66920, 66948, 83685, 95640, 100380, 111580, 133896, 167370, 190483, 200760, 223160, 334740, 380966, 571449, 669480, 761932, 952415, 1142898, 1333381, 1523864, 1904830, 2285796, 2666762, 2857245, 3809660, 4000143, 4571592, 5333524, 5714490, 6666905, 7619320, 8000286, 10667048, 11428980, 13333810, 16000572, 20000715, 22857960, 26667620, 32001144, 40001430, 53335240, 80002860, 160005720]

約数ペア:

[(1, 160005720), (2, 80002860), (3, 53335240), (4, 40001430), (5, 32001144), (6, 26667620), (7, 22857960), (8, 20000715), (10, 16000572), (12, 13333810), (14, 11428980), (15, 10667048), (20, 8000286), (21, 7619320), (24, 6666905), (28, 5714490), (30, 5333524), (35, 4571592), (40, 4000143), (42, 3809660), (56, 2857245), (60, 2666762), (70, 2285796), (84, 1904830), (105, 1523864), (120, 1333381), (140, 1142898), (168, 952415), (210, 761932), (239, 669480), (280, 571449), (420, 380966), (478, 334740), (717, 223160), (797, 200760), (840, 190483), (956, 167370), (1195, 133896), (1434, 111580), (1594, 100380), (1673, 95640), (1912, 83685), (2390, 66948), (2391, 66920), (2868, 55790), (3188, 50190), (3346, 47820), (3585, 44632), (3985, 40152), (4780, 33474), (4782, 33460), (5019, 31880), (5579, 28680), (5736, 27895), (6376, 25095), (6692, 23910), (7170, 22316), (7970, 20076), (8365, 19128), (9560, 16737), (9564, 16730), (10038, 15940), (11158, 14340), (11955, 13384)]