152740720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 120

約数和(自身を含む): 403724160

約数和(自身を除く): 250983440

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, 509, 605, 620, 682, 880, 968, 1018, 1210, 1240, 1364, 1705, 1936, 2036, 2420, 2480, 2545, 2728, 3410, 3751, 4072, 4840, 5090, 5456, 5599, 6820, 7502, 8144, 9680, 10180, 11198, 13640, 15004, 15779, 18755, 20360, 22396, 27280, 27995, 30008, 31558, 37510, 40720, 44792, 55990, 60016, 61589, 63116, 75020, 78895, 89584, 111980, 123178, 126232, 150040, 157790, 173569, 223960, 246356, 252464, 300080, 307945, 315580, 347138, 447920, 492712, 615890, 631160, 694276, 867845, 985424, 1231780, 1262320, 1388552, 1735690, 1909259, 2463560, 2777104, 3471380, 3818518, 4927120, 6942760, 7637036, 9546295, 13885520, 15274072, 19092590, 30548144, 38185180, 76370360, 152740720]

約数ペア:

[(1, 152740720), (2, 76370360), (4, 38185180), (5, 30548144), (8, 19092590), (10, 15274072), (11, 13885520), (16, 9546295), (20, 7637036), (22, 6942760), (31, 4927120), (40, 3818518), (44, 3471380), (55, 2777104), (62, 2463560), (80, 1909259), (88, 1735690), (110, 1388552), (121, 1262320), (124, 1231780), (155, 985424), (176, 867845), (220, 694276), (242, 631160), (248, 615890), (310, 492712), (341, 447920), (440, 347138), (484, 315580), (496, 307945), (509, 300080), (605, 252464), (620, 246356), (682, 223960), (880, 173569), (968, 157790), (1018, 150040), (1210, 126232), (1240, 123178), (1364, 111980), (1705, 89584), (1936, 78895), (2036, 75020), (2420, 63116), (2480, 61589), (2545, 60016), (2728, 55990), (3410, 44792), (3751, 40720), (4072, 37510), (4840, 31558), (5090, 30008), (5456, 27995), (5599, 27280), (6820, 22396), (7502, 20360), (8144, 18755), (9680, 15779), (10180, 15004), (11198, 13640)]