145600020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 459098640

約数和(自身を除く): 313498620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 109, 123, 164, 180, 181, 205, 218, 246, 327, 362, 369, 410, 436, 492, 543, 545, 615, 654, 724, 738, 820, 905, 981, 1086, 1090, 1230, 1308, 1476, 1629, 1635, 1810, 1845, 1962, 2172, 2180, 2460, 2715, 3258, 3270, 3620, 3690, 3924, 4469, 4905, 5430, 6516, 6540, 7380, 7421, 8145, 8938, 9810, 10860, 13407, 14842, 16290, 17876, 19620, 19729, 22263, 22345, 26814, 29684, 32580, 37105, 39458, 40221, 44526, 44690, 53628, 59187, 66789, 67035, 74210, 78916, 80442, 89052, 89380, 98645, 111315, 118374, 133578, 134070, 148420, 160884, 177561, 197290, 201105, 222630, 236748, 267156, 268140, 295935, 333945, 355122, 394580, 402210, 445260, 591870, 667890, 710244, 804420, 808889, 887805, 1183740, 1335780, 1617778, 1775610, 2426667, 3235556, 3551220, 4044445, 4853334, 7280001, 8088890, 9706668, 12133335, 14560002, 16177780, 24266670, 29120004, 36400005, 48533340, 72800010, 145600020]

約数ペア:

[(1, 145600020), (2, 72800010), (3, 48533340), (4, 36400005), (5, 29120004), (6, 24266670), (9, 16177780), (10, 14560002), (12, 12133335), (15, 9706668), (18, 8088890), (20, 7280001), (30, 4853334), (36, 4044445), (41, 3551220), (45, 3235556), (60, 2426667), (82, 1775610), (90, 1617778), (109, 1335780), (123, 1183740), (164, 887805), (180, 808889), (181, 804420), (205, 710244), (218, 667890), (246, 591870), (327, 445260), (362, 402210), (369, 394580), (410, 355122), (436, 333945), (492, 295935), (543, 268140), (545, 267156), (615, 236748), (654, 222630), (724, 201105), (738, 197290), (820, 177561), (905, 160884), (981, 148420), (1086, 134070), (1090, 133578), (1230, 118374), (1308, 111315), (1476, 98645), (1629, 89380), (1635, 89052), (1810, 80442), (1845, 78916), (1962, 74210), (2172, 67035), (2180, 66789), (2460, 59187), (2715, 53628), (3258, 44690), (3270, 44526), (3620, 40221), (3690, 39458), (3924, 37105), (4469, 32580), (4905, 29684), (5430, 26814), (6516, 22345), (6540, 22263), (7380, 19729), (7421, 19620), (8145, 17876), (8938, 16290), (9810, 14842), (10860, 13407)]