12090320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1249}}^1$

素因数の和:1284

約数の個数: 60

約数和(自身を含む): 30922500

約数和(自身を除く): 18832180

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1249, 1936, 2420, 2498, 4840, 4996, 6245, 9680, 9992, 12490, 13739, 19984, 24980, 27478, 49960, 54956, 68695, 99920, 109912, 137390, 151129, 219824, 274780, 302258, 549560, 604516, 755645, 1099120, 1209032, 1511290, 2418064, 3022580, 6045160, 12090320]

約数ペア:

[(1, 12090320), (2, 6045160), (4, 3022580), (5, 2418064), (8, 1511290), (10, 1209032), (11, 1099120), (16, 755645), (20, 604516), (22, 549560), (40, 302258), (44, 274780), (55, 219824), (80, 151129), (88, 137390), (110, 109912), (121, 99920), (176, 68695), (220, 54956), (242, 49960), (440, 27478), (484, 24980), (605, 19984), (880, 13739), (968, 12490), (1210, 9992), (1249, 9680), (1936, 6245), (2420, 4996), (2498, 4840)]