64797880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13613}}^1$

素因数の和:13648

約数の個数: 64

約数和(自身を含む): 176437440

約数和(自身を除く): 111639560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 13613, 27226, 54452, 68065, 95291, 108904, 136130, 190582, 231421, 272260, 381164, 462842, 476455, 544520, 762328, 925684, 952910, 1157105, 1619947, 1851368, 1905820, 2314210, 3239894, 3811640, 4628420, 6479788, 8099735, 9256840, 12959576, 16199470, 32398940, 64797880]

約数ペア:

[(1, 64797880), (2, 32398940), (4, 16199470), (5, 12959576), (7, 9256840), (8, 8099735), (10, 6479788), (14, 4628420), (17, 3811640), (20, 3239894), (28, 2314210), (34, 1905820), (35, 1851368), (40, 1619947), (56, 1157105), (68, 952910), (70, 925684), (85, 762328), (119, 544520), (136, 476455), (140, 462842), (170, 381164), (238, 272260), (280, 231421), (340, 190582), (476, 136130), (595, 108904), (680, 95291), (952, 68065), (1190, 54452), (2380, 27226), (4760, 13613)]