12121620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 192

約数和(自身を含む): 43008000

約数和(自身を除く): 30886380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 49, 57, 60, 62, 70, 76, 84, 93, 95, 98, 105, 114, 124, 133, 140, 147, 155, 186, 190, 196, 210, 217, 228, 245, 266, 285, 294, 310, 343, 372, 380, 399, 420, 434, 465, 490, 532, 570, 588, 589, 620, 651, 665, 686, 735, 798, 868, 930, 931, 980, 1029, 1085, 1140, 1178, 1302, 1330, 1372, 1470, 1519, 1596, 1715, 1767, 1860, 1862, 1995, 2058, 2170, 2356, 2604, 2660, 2793, 2940, 2945, 3038, 3255, 3430, 3534, 3724, 3990, 4116, 4123, 4340, 4557, 4655, 5145, 5586, 5890, 6076, 6510, 6517, 6860, 7068, 7595, 7980, 8246, 8835, 9114, 9310, 10290, 10633, 11172, 11780, 12369, 13020, 13034, 13965, 15190, 16492, 17670, 18228, 18620, 19551, 20580, 20615, 21266, 22785, 24738, 26068, 27930, 28861, 30380, 31899, 32585, 35340, 39102, 41230, 42532, 45570, 49476, 53165, 55860, 57722, 61845, 63798, 65170, 78204, 82460, 86583, 91140, 97755, 106330, 115444, 123690, 127596, 130340, 144305, 159495, 173166, 195510, 202027, 212660, 247380, 288610, 318990, 346332, 391020, 404054, 432915, 577220, 606081, 637980, 808108, 865830, 1010135, 1212162, 1731660, 2020270, 2424324, 3030405, 4040540, 6060810, 12121620]

約数ペア:

[(1, 12121620), (2, 6060810), (3, 4040540), (4, 3030405), (5, 2424324), (6, 2020270), (7, 1731660), (10, 1212162), (12, 1010135), (14, 865830), (15, 808108), (19, 637980), (20, 606081), (21, 577220), (28, 432915), (30, 404054), (31, 391020), (35, 346332), (38, 318990), (42, 288610), (49, 247380), (57, 212660), (60, 202027), (62, 195510), (70, 173166), (76, 159495), (84, 144305), (93, 130340), (95, 127596), (98, 123690), (105, 115444), (114, 106330), (124, 97755), (133, 91140), (140, 86583), (147, 82460), (155, 78204), (186, 65170), (190, 63798), (196, 61845), (210, 57722), (217, 55860), (228, 53165), (245, 49476), (266, 45570), (285, 42532), (294, 41230), (310, 39102), (343, 35340), (372, 32585), (380, 31899), (399, 30380), (420, 28861), (434, 27930), (465, 26068), (490, 24738), (532, 22785), (570, 21266), (588, 20615), (589, 20580), (620, 19551), (651, 18620), (665, 18228), (686, 17670), (735, 16492), (798, 15190), (868, 13965), (930, 13034), (931, 13020), (980, 12369), (1029, 11780), (1085, 11172), (1140, 10633), (1178, 10290), (1302, 9310), (1330, 9114), (1372, 8835), (1470, 8246), (1519, 7980), (1596, 7595), (1715, 7068), (1767, 6860), (1860, 6517), (1862, 6510), (1995, 6076), (2058, 5890), (2170, 5586), (2356, 5145), (2604, 4655), (2660, 4557), (2793, 4340), (2940, 4123), (2945, 4116), (3038, 3990), (3255, 3724), (3430, 3534)]