246365680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:887

約数の個数: 120

約数和(自身を含む): 650708352

約数和(自身を除く): 404342672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 496, 605, 620, 682, 821, 880, 968, 1210, 1240, 1364, 1642, 1705, 1936, 2420, 2480, 2728, 3284, 3410, 3751, 4105, 4840, 5456, 6568, 6820, 7502, 8210, 9031, 9680, 13136, 13640, 15004, 16420, 18062, 18755, 25451, 27280, 30008, 32840, 36124, 37510, 45155, 50902, 60016, 65680, 72248, 75020, 90310, 99341, 101804, 127255, 144496, 150040, 180620, 198682, 203608, 254510, 279961, 300080, 361240, 397364, 407216, 496705, 509020, 559922, 722480, 794728, 993410, 1018040, 1119844, 1399805, 1589456, 1986820, 2036080, 2239688, 2799610, 3079571, 3973640, 4479376, 5599220, 6159142, 7947280, 11198440, 12318284, 15397855, 22396880, 24636568, 30795710, 49273136, 61591420, 123182840, 246365680]

約数ペア:

[(1, 246365680), (2, 123182840), (4, 61591420), (5, 49273136), (8, 30795710), (10, 24636568), (11, 22396880), (16, 15397855), (20, 12318284), (22, 11198440), (31, 7947280), (40, 6159142), (44, 5599220), (55, 4479376), (62, 3973640), (80, 3079571), (88, 2799610), (110, 2239688), (121, 2036080), (124, 1986820), (155, 1589456), (176, 1399805), (220, 1119844), (242, 1018040), (248, 993410), (310, 794728), (341, 722480), (440, 559922), (484, 509020), (496, 496705), (605, 407216), (620, 397364), (682, 361240), (821, 300080), (880, 279961), (968, 254510), (1210, 203608), (1240, 198682), (1364, 180620), (1642, 150040), (1705, 144496), (1936, 127255), (2420, 101804), (2480, 99341), (2728, 90310), (3284, 75020), (3410, 72248), (3751, 65680), (4105, 60016), (4840, 50902), (5456, 45155), (6568, 37510), (6820, 36124), (7502, 32840), (8210, 30008), (9031, 27280), (9680, 25451), (13136, 18755), (13640, 18062), (15004, 16420)]