252667360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 144

約数和(自身を含む): 678900096

約数和(自身を除く): 426232736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 421, 440, 484, 496, 605, 620, 682, 842, 880, 968, 992, 1210, 1240, 1364, 1684, 1705, 1760, 1936, 2105, 2420, 2480, 2728, 3368, 3410, 3751, 3872, 4210, 4631, 4840, 4960, 5456, 6736, 6820, 7502, 8420, 9262, 9680, 10912, 13051, 13472, 13640, 15004, 16840, 18524, 18755, 19360, 23155, 26102, 27280, 30008, 33680, 37048, 37510, 46310, 50941, 52204, 54560, 60016, 65255, 67360, 74096, 75020, 92620, 101882, 104408, 120032, 130510, 143561, 148192, 150040, 185240, 203764, 208816, 254705, 261020, 287122, 300080, 370480, 407528, 417632, 509410, 522040, 574244, 600160, 717805, 740960, 815056, 1018820, 1044080, 1148488, 1435610, 1579171, 1630112, 2037640, 2088160, 2296976, 2871220, 3158342, 4075280, 4593952, 5742440, 6316684, 7895855, 8150560, 11484880, 12633368, 15791710, 22969760, 25266736, 31583420, 50533472, 63166840, 126333680, 252667360]

約数ペア:

[(1, 252667360), (2, 126333680), (4, 63166840), (5, 50533472), (8, 31583420), (10, 25266736), (11, 22969760), (16, 15791710), (20, 12633368), (22, 11484880), (31, 8150560), (32, 7895855), (40, 6316684), (44, 5742440), (55, 4593952), (62, 4075280), (80, 3158342), (88, 2871220), (110, 2296976), (121, 2088160), (124, 2037640), (155, 1630112), (160, 1579171), (176, 1435610), (220, 1148488), (242, 1044080), (248, 1018820), (310, 815056), (341, 740960), (352, 717805), (421, 600160), (440, 574244), (484, 522040), (496, 509410), (605, 417632), (620, 407528), (682, 370480), (842, 300080), (880, 287122), (968, 261020), (992, 254705), (1210, 208816), (1240, 203764), (1364, 185240), (1684, 150040), (1705, 148192), (1760, 143561), (1936, 130510), (2105, 120032), (2420, 104408), (2480, 101882), (2728, 92620), (3368, 75020), (3410, 74096), (3751, 67360), (3872, 65255), (4210, 60016), (4631, 54560), (4840, 52204), (4960, 50941), (5456, 46310), (6736, 37510), (6820, 37048), (7502, 33680), (8420, 30008), (9262, 27280), (9680, 26102), (10912, 23155), (13051, 19360), (13472, 18755), (13640, 18524), (15004, 16840)]