8531820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 29352960

約数和(自身を除く): 20821140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 139, 155, 165, 180, 186, 198, 220, 278, 279, 310, 330, 341, 372, 396, 417, 465, 495, 556, 558, 620, 660, 682, 695, 834, 930, 990, 1023, 1116, 1251, 1364, 1390, 1395, 1529, 1668, 1705, 1860, 1980, 2046, 2085, 2502, 2780, 2790, 3058, 3069, 3410, 4092, 4170, 4309, 4587, 5004, 5115, 5580, 6116, 6138, 6255, 6820, 7645, 8340, 8618, 9174, 10230, 12276, 12510, 12927, 13761, 15290, 15345, 17236, 18348, 20460, 21545, 22935, 25020, 25854, 27522, 30580, 30690, 38781, 43090, 45870, 47399, 51708, 55044, 61380, 64635, 68805, 77562, 86180, 91740, 94798, 129270, 137610, 142197, 155124, 189596, 193905, 236995, 258540, 275220, 284394, 387810, 426591, 473990, 568788, 710985, 775620, 853182, 947980, 1421970, 1706364, 2132955, 2843940, 4265910, 8531820]

約数ペア:

[(1, 8531820), (2, 4265910), (3, 2843940), (4, 2132955), (5, 1706364), (6, 1421970), (9, 947980), (10, 853182), (11, 775620), (12, 710985), (15, 568788), (18, 473990), (20, 426591), (22, 387810), (30, 284394), (31, 275220), (33, 258540), (36, 236995), (44, 193905), (45, 189596), (55, 155124), (60, 142197), (62, 137610), (66, 129270), (90, 94798), (93, 91740), (99, 86180), (110, 77562), (124, 68805), (132, 64635), (139, 61380), (155, 55044), (165, 51708), (180, 47399), (186, 45870), (198, 43090), (220, 38781), (278, 30690), (279, 30580), (310, 27522), (330, 25854), (341, 25020), (372, 22935), (396, 21545), (417, 20460), (465, 18348), (495, 17236), (556, 15345), (558, 15290), (620, 13761), (660, 12927), (682, 12510), (695, 12276), (834, 10230), (930, 9174), (990, 8618), (1023, 8340), (1116, 7645), (1251, 6820), (1364, 6255), (1390, 6138), (1395, 6116), (1529, 5580), (1668, 5115), (1705, 5004), (1860, 4587), (1980, 4309), (2046, 4170), (2085, 4092), (2502, 3410), (2780, 3069), (2790, 3058)]