678743680

素因数分解:

$2^7\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2593}}^1$

素因数の和:3021

約数の個数: 64

約数和(自身を含む): 1627216200

約数和(自身を除く): 948472520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 409, 640, 818, 1636, 2045, 2593, 3272, 4090, 5186, 6544, 8180, 10372, 12965, 13088, 16360, 20744, 25930, 26176, 32720, 41488, 51860, 52352, 65440, 82976, 103720, 130880, 165952, 207440, 261760, 331904, 414880, 829760, 1060537, 1659520, 2121074, 4242148, 5302685, 8484296, 10605370, 16968592, 21210740, 33937184, 42421480, 67874368, 84842960, 135748736, 169685920, 339371840, 678743680]

約数ペア:

[(1, 678743680), (2, 339371840), (4, 169685920), (5, 135748736), (8, 84842960), (10, 67874368), (16, 42421480), (20, 33937184), (32, 21210740), (40, 16968592), (64, 10605370), (80, 8484296), (128, 5302685), (160, 4242148), (320, 2121074), (409, 1659520), (640, 1060537), (818, 829760), (1636, 414880), (2045, 331904), (2593, 261760), (3272, 207440), (4090, 165952), (5186, 130880), (6544, 103720), (8180, 82976), (10372, 65440), (12965, 52352), (13088, 51860), (16360, 41488), (20744, 32720), (25930, 26176)]