90821010

素因数分解:

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

素因数の和:2048

約数の個数: 96

約数和(自身を含む): 261868032

約数和(自身を除く): 171047022

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 465, 490, 651, 735, 930, 1085, 1302, 1470, 1519, 1993, 2170, 3038, 3255, 3986, 4557, 5979, 6510, 7595, 9114, 9965, 11958, 13951, 15190, 19930, 22785, 27902, 29895, 41853, 45570, 59790, 61783, 69755, 83706, 97657, 123566, 139510, 185349, 195314, 209265, 292971, 308915, 370698, 418530, 432481, 488285, 585942, 617830, 864962, 926745, 976570, 1297443, 1464855, 1853490, 2162405, 2594886, 2929710, 3027367, 4324810, 6054734, 6487215, 9082101, 12974430, 15136835, 18164202, 30273670, 45410505, 90821010]

約数ペア:

[(1, 90821010), (2, 45410505), (3, 30273670), (5, 18164202), (6, 15136835), (7, 12974430), (10, 9082101), (14, 6487215), (15, 6054734), (21, 4324810), (30, 3027367), (31, 2929710), (35, 2594886), (42, 2162405), (49, 1853490), (62, 1464855), (70, 1297443), (93, 976570), (98, 926745), (105, 864962), (147, 617830), (155, 585942), (186, 488285), (210, 432481), (217, 418530), (245, 370698), (294, 308915), (310, 292971), (434, 209265), (465, 195314), (490, 185349), (651, 139510), (735, 123566), (930, 97657), (1085, 83706), (1302, 69755), (1470, 61783), (1519, 59790), (1993, 45570), (2170, 41853), (3038, 29895), (3255, 27902), (3986, 22785), (4557, 19930), (5979, 15190), (6510, 13951), (7595, 11958), (9114, 9965)]