216388980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 681080400

約数和(自身を除く): 464691420

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, 205, 218, 246, 269, 327, 369, 410, 436, 492, 538, 545, 615, 654, 738, 807, 820, 981, 1076, 1090, 1230, 1308, 1345, 1476, 1614, 1635, 1845, 1962, 2180, 2421, 2460, 2690, 3228, 3270, 3690, 3924, 4035, 4469, 4842, 4905, 5380, 6540, 7380, 8070, 8938, 9684, 9810, 11029, 12105, 13407, 16140, 17876, 19620, 22058, 22345, 24210, 26814, 29321, 33087, 40221, 44116, 44690, 48420, 53628, 55145, 58642, 66174, 67035, 80442, 87963, 89380, 99261, 110290, 117284, 132348, 134070, 146605, 160884, 165435, 175926, 198522, 201105, 220580, 263889, 268140, 293210, 330870, 351852, 397044, 402210, 439815, 496305, 527778, 586420, 661740, 804420, 879630, 992610, 1055556, 1202161, 1319445, 1759260, 1985220, 2404322, 2638890, 3606483, 4808644, 5277780, 6010805, 7212966, 10819449, 12021610, 14425932, 18032415, 21638898, 24043220, 36064830, 43277796, 54097245, 72129660, 108194490, 216388980]

約数ペア:

[(1, 216388980), (2, 108194490), (3, 72129660), (4, 54097245), (5, 43277796), (6, 36064830), (9, 24043220), (10, 21638898), (12, 18032415), (15, 14425932), (18, 12021610), (20, 10819449), (30, 7212966), (36, 6010805), (41, 5277780), (45, 4808644), (60, 3606483), (82, 2638890), (90, 2404322), (109, 1985220), (123, 1759260), (164, 1319445), (180, 1202161), (205, 1055556), (218, 992610), (246, 879630), (269, 804420), (327, 661740), (369, 586420), (410, 527778), (436, 496305), (492, 439815), (538, 402210), (545, 397044), (615, 351852), (654, 330870), (738, 293210), (807, 268140), (820, 263889), (981, 220580), (1076, 201105), (1090, 198522), (1230, 175926), (1308, 165435), (1345, 160884), (1476, 146605), (1614, 134070), (1635, 132348), (1845, 117284), (1962, 110290), (2180, 99261), (2421, 89380), (2460, 87963), (2690, 80442), (3228, 67035), (3270, 66174), (3690, 58642), (3924, 55145), (4035, 53628), (4469, 48420), (4842, 44690), (4905, 44116), (5380, 40221), (6540, 33087), (7380, 29321), (8070, 26814), (8938, 24210), (9684, 22345), (9810, 22058), (11029, 19620), (12105, 17876), (13407, 16140)]