854671860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21881}}^1$

素因数の和:21934

約数の個数: 144

約数和(自身を含む): 3058578432

約数和(自身を除く): 2203906572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 9765, 13020, 19530, 21881, 39060, 43762, 65643, 87524, 109405, 131286, 153167, 196929, 218810, 262572, 306334, 328215, 393858, 437620, 459501, 612668, 656430, 678311, 765835, 787716, 919002, 984645, 1312860, 1356622, 1378503, 1531670, 1838004, 1969290, 2034933, 2297505, 2713244, 2757006, 3063340, 3391555, 3938580, 4069866, 4595010, 4748177, 5514012, 6104799, 6783110, 6892515, 8139732, 9190020, 9496354, 10174665, 12209598, 13566220, 13785030, 14244531, 18992708, 20349330, 23740885, 24419196, 27570060, 28489062, 30523995, 40698660, 42733593, 47481770, 56978124, 61047990, 71222655, 85467186, 94963540, 122095980, 142445310, 170934372, 213667965, 284890620, 427335930, 854671860]

約数ペア:

[(1, 854671860), (2, 427335930), (3, 284890620), (4, 213667965), (5, 170934372), (6, 142445310), (7, 122095980), (9, 94963540), (10, 85467186), (12, 71222655), (14, 61047990), (15, 56978124), (18, 47481770), (20, 42733593), (21, 40698660), (28, 30523995), (30, 28489062), (31, 27570060), (35, 24419196), (36, 23740885), (42, 20349330), (45, 18992708), (60, 14244531), (62, 13785030), (63, 13566220), (70, 12209598), (84, 10174665), (90, 9496354), (93, 9190020), (105, 8139732), (124, 6892515), (126, 6783110), (140, 6104799), (155, 5514012), (180, 4748177), (186, 4595010), (210, 4069866), (217, 3938580), (252, 3391555), (279, 3063340), (310, 2757006), (315, 2713244), (372, 2297505), (420, 2034933), (434, 1969290), (465, 1838004), (558, 1531670), (620, 1378503), (630, 1356622), (651, 1312860), (868, 984645), (930, 919002), (1085, 787716), (1116, 765835), (1260, 678311), (1302, 656430), (1395, 612668), (1860, 459501), (1953, 437620), (2170, 393858), (2604, 328215), (2790, 306334), (3255, 262572), (3906, 218810), (4340, 196929), (5580, 153167), (6510, 131286), (7812, 109405), (9765, 87524), (13020, 65643), (19530, 43762), (21881, 39060)]