181642020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2050

約数の個数: 144

約数和(自身を含む): 611025408

約数和(自身を除く): 429383388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 1993, 2170, 2604, 2940, 3038, 3255, 3986, 4340, 4557, 5979, 6076, 6510, 7595, 7972, 9114, 9965, 11958, 13020, 13951, 15190, 18228, 19930, 22785, 23916, 27902, 29895, 30380, 39860, 41853, 45570, 55804, 59790, 61783, 69755, 83706, 91140, 97657, 119580, 123566, 139510, 167412, 185349, 195314, 209265, 247132, 279020, 292971, 308915, 370698, 390628, 418530, 432481, 488285, 585942, 617830, 741396, 837060, 864962, 926745, 976570, 1171884, 1235660, 1297443, 1464855, 1729924, 1853490, 1953140, 2162405, 2594886, 2929710, 3027367, 3706980, 4324810, 5189772, 5859420, 6054734, 6487215, 8649620, 9082101, 12109468, 12974430, 15136835, 18164202, 25948860, 30273670, 36328404, 45410505, 60547340, 90821010, 181642020]

約数ペア:

[(1, 181642020), (2, 90821010), (3, 60547340), (4, 45410505), (5, 36328404), (6, 30273670), (7, 25948860), (10, 18164202), (12, 15136835), (14, 12974430), (15, 12109468), (20, 9082101), (21, 8649620), (28, 6487215), (30, 6054734), (31, 5859420), (35, 5189772), (42, 4324810), (49, 3706980), (60, 3027367), (62, 2929710), (70, 2594886), (84, 2162405), (93, 1953140), (98, 1853490), (105, 1729924), (124, 1464855), (140, 1297443), (147, 1235660), (155, 1171884), (186, 976570), (196, 926745), (210, 864962), (217, 837060), (245, 741396), (294, 617830), (310, 585942), (372, 488285), (420, 432481), (434, 418530), (465, 390628), (490, 370698), (588, 308915), (620, 292971), (651, 279020), (735, 247132), (868, 209265), (930, 195314), (980, 185349), (1085, 167412), (1302, 139510), (1470, 123566), (1519, 119580), (1860, 97657), (1993, 91140), (2170, 83706), (2604, 69755), (2940, 61783), (3038, 59790), (3255, 55804), (3986, 45570), (4340, 41853), (4557, 39860), (5979, 30380), (6076, 29895), (6510, 27902), (7595, 23916), (7972, 22785), (9114, 19930), (9965, 18228), (11958, 15190), (13020, 13951)]