64465120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 161554176

約数和(自身を除く): 97089056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 155, 160, 164, 205, 248, 310, 317, 328, 410, 496, 620, 634, 656, 820, 992, 1240, 1268, 1271, 1312, 1585, 1640, 2480, 2536, 2542, 3170, 3280, 4960, 5072, 5084, 6340, 6355, 6560, 9827, 10144, 10168, 12680, 12710, 12997, 19654, 20336, 25360, 25420, 25994, 39308, 40672, 49135, 50720, 50840, 51988, 64985, 78616, 98270, 101680, 103976, 129970, 157232, 196540, 203360, 207952, 259940, 314464, 393080, 402907, 415904, 519880, 786160, 805814, 1039760, 1572320, 1611628, 2014535, 2079520, 3223256, 4029070, 6446512, 8058140, 12893024, 16116280, 32232560, 64465120]

約数ペア:

[(1, 64465120), (2, 32232560), (4, 16116280), (5, 12893024), (8, 8058140), (10, 6446512), (16, 4029070), (20, 3223256), (31, 2079520), (32, 2014535), (40, 1611628), (41, 1572320), (62, 1039760), (80, 805814), (82, 786160), (124, 519880), (155, 415904), (160, 402907), (164, 393080), (205, 314464), (248, 259940), (310, 207952), (317, 203360), (328, 196540), (410, 157232), (496, 129970), (620, 103976), (634, 101680), (656, 98270), (820, 78616), (992, 64985), (1240, 51988), (1268, 50840), (1271, 50720), (1312, 49135), (1585, 40672), (1640, 39308), (2480, 25994), (2536, 25420), (2542, 25360), (3170, 20336), (3280, 19654), (4960, 12997), (5072, 12710), (5084, 12680), (6340, 10168), (6355, 10144), (6560, 9827)]