64806280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 185690880

約数和(自身を除く): 120884600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 88, 106, 110, 140, 154, 212, 220, 265, 280, 308, 371, 385, 397, 424, 440, 530, 583, 616, 742, 770, 794, 1060, 1166, 1484, 1540, 1588, 1855, 1985, 2120, 2332, 2779, 2915, 2968, 3080, 3176, 3710, 3970, 4081, 4367, 4664, 5558, 5830, 7420, 7940, 8162, 8734, 11116, 11660, 13895, 14840, 15880, 16324, 17468, 20405, 21041, 21835, 22232, 23320, 27790, 30569, 32648, 34936, 40810, 42082, 43670, 55580, 61138, 81620, 84164, 87340, 105205, 111160, 122276, 147287, 152845, 163240, 168328, 174680, 210410, 231451, 244552, 294574, 305690, 420820, 462902, 589148, 611380, 736435, 841640, 925804, 1157255, 1178296, 1222760, 1472870, 1620157, 1851608, 2314510, 2945740, 3240314, 4629020, 5891480, 6480628, 8100785, 9258040, 12961256, 16201570, 32403140, 64806280]

約数ペア:

[(1, 64806280), (2, 32403140), (4, 16201570), (5, 12961256), (7, 9258040), (8, 8100785), (10, 6480628), (11, 5891480), (14, 4629020), (20, 3240314), (22, 2945740), (28, 2314510), (35, 1851608), (40, 1620157), (44, 1472870), (53, 1222760), (55, 1178296), (56, 1157255), (70, 925804), (77, 841640), (88, 736435), (106, 611380), (110, 589148), (140, 462902), (154, 420820), (212, 305690), (220, 294574), (265, 244552), (280, 231451), (308, 210410), (371, 174680), (385, 168328), (397, 163240), (424, 152845), (440, 147287), (530, 122276), (583, 111160), (616, 105205), (742, 87340), (770, 84164), (794, 81620), (1060, 61138), (1166, 55580), (1484, 43670), (1540, 42082), (1588, 40810), (1855, 34936), (1985, 32648), (2120, 30569), (2332, 27790), (2779, 23320), (2915, 22232), (2968, 21835), (3080, 21041), (3176, 20405), (3710, 17468), (3970, 16324), (4081, 15880), (4367, 14840), (4664, 13895), (5558, 11660), (5830, 11116), (7420, 8734), (7940, 8162)]