66254440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 120369560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 449, 476, 527, 595, 620, 680, 868, 898, 952, 1054, 1085, 1190, 1240, 1736, 1796, 2108, 2170, 2245, 2380, 2635, 3143, 3592, 3689, 4216, 4340, 4490, 4760, 5270, 6286, 7378, 7633, 8680, 8980, 10540, 12572, 13919, 14756, 15266, 15715, 17960, 18445, 21080, 25144, 27838, 29512, 30532, 31430, 36890, 38165, 53431, 55676, 61064, 62860, 69595, 73780, 76330, 97433, 106862, 111352, 125720, 139190, 147560, 152660, 194866, 213724, 236623, 267155, 278380, 305320, 389732, 427448, 473246, 487165, 534310, 556760, 779464, 946492, 974330, 1068620, 1183115, 1656361, 1892984, 1948660, 2137240, 2366230, 3312722, 3897320, 4732460, 6625444, 8281805, 9464920, 13250888, 16563610, 33127220, 66254440]

約数ペア:

[(1, 66254440), (2, 33127220), (4, 16563610), (5, 13250888), (7, 9464920), (8, 8281805), (10, 6625444), (14, 4732460), (17, 3897320), (20, 3312722), (28, 2366230), (31, 2137240), (34, 1948660), (35, 1892984), (40, 1656361), (56, 1183115), (62, 1068620), (68, 974330), (70, 946492), (85, 779464), (119, 556760), (124, 534310), (136, 487165), (140, 473246), (155, 427448), (170, 389732), (217, 305320), (238, 278380), (248, 267155), (280, 236623), (310, 213724), (340, 194866), (434, 152660), (449, 147560), (476, 139190), (527, 125720), (595, 111352), (620, 106862), (680, 97433), (868, 76330), (898, 73780), (952, 69595), (1054, 62860), (1085, 61064), (1190, 55676), (1240, 53431), (1736, 38165), (1796, 36890), (2108, 31430), (2170, 30532), (2245, 29512), (2380, 27838), (2635, 25144), (3143, 21080), (3592, 18445), (3689, 17960), (4216, 15715), (4340, 15266), (4490, 14756), (4760, 13919), (5270, 12572), (6286, 10540), (7378, 8980), (7633, 8680)]