204635120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 518029344

約数和(自身を除く): 313394224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 167, 170, 212, 265, 272, 289, 334, 340, 424, 530, 578, 668, 680, 835, 848, 901, 1060, 1156, 1336, 1360, 1445, 1670, 1802, 2120, 2312, 2672, 2839, 2890, 3340, 3604, 4240, 4505, 4624, 5678, 5780, 6680, 7208, 8851, 9010, 11356, 11560, 13360, 14195, 14416, 15317, 17702, 18020, 22712, 23120, 28390, 30634, 35404, 36040, 44255, 45424, 48263, 56780, 61268, 70808, 72080, 76585, 88510, 96526, 113560, 122536, 141616, 150467, 153170, 177020, 193052, 227120, 241315, 245072, 300934, 306340, 354040, 386104, 482630, 601868, 612680, 708080, 752335, 772208, 965260, 1203736, 1225360, 1504670, 1930520, 2407472, 2557939, 3009340, 3861040, 5115878, 6018680, 10231756, 12037360, 12789695, 20463512, 25579390, 40927024, 51158780, 102317560, 204635120]

約数ペア:

[(1, 204635120), (2, 102317560), (4, 51158780), (5, 40927024), (8, 25579390), (10, 20463512), (16, 12789695), (17, 12037360), (20, 10231756), (34, 6018680), (40, 5115878), (53, 3861040), (68, 3009340), (80, 2557939), (85, 2407472), (106, 1930520), (136, 1504670), (167, 1225360), (170, 1203736), (212, 965260), (265, 772208), (272, 752335), (289, 708080), (334, 612680), (340, 601868), (424, 482630), (530, 386104), (578, 354040), (668, 306340), (680, 300934), (835, 245072), (848, 241315), (901, 227120), (1060, 193052), (1156, 177020), (1336, 153170), (1360, 150467), (1445, 141616), (1670, 122536), (1802, 113560), (2120, 96526), (2312, 88510), (2672, 76585), (2839, 72080), (2890, 70808), (3340, 61268), (3604, 56780), (4240, 48263), (4505, 45424), (4624, 44255), (5678, 36040), (5780, 35404), (6680, 30634), (7208, 28390), (8851, 23120), (9010, 22712), (11356, 18020), (11560, 17702), (13360, 15317), (14195, 14416)]