65417440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 176964480

約数和(自身を除く): 111547040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 109, 110, 121, 124, 155, 160, 176, 218, 220, 242, 248, 310, 341, 352, 436, 440, 484, 496, 545, 605, 620, 682, 872, 880, 968, 992, 1090, 1199, 1210, 1240, 1364, 1705, 1744, 1760, 1936, 2180, 2398, 2420, 2480, 2728, 3379, 3410, 3488, 3751, 3872, 4360, 4796, 4840, 4960, 5456, 5995, 6758, 6820, 7502, 8720, 9592, 9680, 10912, 11990, 13189, 13516, 13640, 15004, 16895, 17440, 18755, 19184, 19360, 23980, 26378, 27032, 27280, 30008, 33790, 37169, 37510, 38368, 47960, 52756, 54064, 54560, 60016, 65945, 67580, 74338, 75020, 95920, 105512, 108128, 120032, 131890, 135160, 148676, 150040, 185845, 191840, 211024, 263780, 270320, 297352, 300080, 371690, 408859, 422048, 527560, 540640, 594704, 600160, 743380, 817718, 1055120, 1189408, 1486760, 1635436, 2044295, 2110240, 2973520, 3270872, 4088590, 5947040, 6541744, 8177180, 13083488, 16354360, 32708720, 65417440]

約数ペア:

[(1, 65417440), (2, 32708720), (4, 16354360), (5, 13083488), (8, 8177180), (10, 6541744), (11, 5947040), (16, 4088590), (20, 3270872), (22, 2973520), (31, 2110240), (32, 2044295), (40, 1635436), (44, 1486760), (55, 1189408), (62, 1055120), (80, 817718), (88, 743380), (109, 600160), (110, 594704), (121, 540640), (124, 527560), (155, 422048), (160, 408859), (176, 371690), (218, 300080), (220, 297352), (242, 270320), (248, 263780), (310, 211024), (341, 191840), (352, 185845), (436, 150040), (440, 148676), (484, 135160), (496, 131890), (545, 120032), (605, 108128), (620, 105512), (682, 95920), (872, 75020), (880, 74338), (968, 67580), (992, 65945), (1090, 60016), (1199, 54560), (1210, 54064), (1240, 52756), (1364, 47960), (1705, 38368), (1744, 37510), (1760, 37169), (1936, 33790), (2180, 30008), (2398, 27280), (2420, 27032), (2480, 26378), (2728, 23980), (3379, 19360), (3410, 19184), (3488, 18755), (3751, 17440), (3872, 16895), (4360, 15004), (4796, 13640), (4840, 13516), (4960, 13189), (5456, 11990), (5995, 10912), (6758, 9680), (6820, 9592), (7502, 8720)]