2460920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:93

約数の個数: 128

約数和(自身を含む): 7464960

約数和(自身を除く): 5004040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 47, 55, 56, 68, 70, 77, 85, 88, 94, 110, 119, 136, 140, 154, 170, 187, 188, 220, 235, 238, 280, 308, 329, 340, 374, 376, 385, 440, 470, 476, 517, 595, 616, 658, 680, 748, 770, 799, 935, 940, 952, 1034, 1190, 1309, 1316, 1496, 1540, 1598, 1645, 1870, 1880, 2068, 2380, 2585, 2618, 2632, 3080, 3196, 3290, 3619, 3740, 3995, 4136, 4760, 5170, 5236, 5593, 6392, 6545, 6580, 7238, 7480, 7990, 8789, 10340, 10472, 11186, 13090, 13160, 14476, 15980, 17578, 18095, 20680, 22372, 26180, 27965, 28952, 31960, 35156, 36190, 43945, 44744, 52360, 55930, 61523, 70312, 72380, 87890, 111860, 123046, 144760, 175780, 223720, 246092, 307615, 351560, 492184, 615230, 1230460, 2460920]

約数ペア:

[(1, 2460920), (2, 1230460), (4, 615230), (5, 492184), (7, 351560), (8, 307615), (10, 246092), (11, 223720), (14, 175780), (17, 144760), (20, 123046), (22, 111860), (28, 87890), (34, 72380), (35, 70312), (40, 61523), (44, 55930), (47, 52360), (55, 44744), (56, 43945), (68, 36190), (70, 35156), (77, 31960), (85, 28952), (88, 27965), (94, 26180), (110, 22372), (119, 20680), (136, 18095), (140, 17578), (154, 15980), (170, 14476), (187, 13160), (188, 13090), (220, 11186), (235, 10472), (238, 10340), (280, 8789), (308, 7990), (329, 7480), (340, 7238), (374, 6580), (376, 6545), (385, 6392), (440, 5593), (470, 5236), (476, 5170), (517, 4760), (595, 4136), (616, 3995), (658, 3740), (680, 3619), (748, 3290), (770, 3196), (799, 3080), (935, 2632), (940, 2618), (952, 2585), (1034, 2380), (1190, 2068), (1309, 1880), (1316, 1870), (1496, 1645), (1540, 1598)]