64513600

素因数分解:

$2^6\times 5^2\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:744

約数の個数: 84

約数和(自身を含む): 161590228

約数和(自身を除く): 97076628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 160, 200, 244, 305, 320, 400, 488, 610, 661, 800, 976, 1220, 1322, 1525, 1600, 1952, 2440, 2644, 3050, 3305, 3904, 4880, 5288, 6100, 6610, 9760, 10576, 12200, 13220, 16525, 19520, 21152, 24400, 26440, 33050, 40321, 42304, 48800, 52880, 66100, 80642, 97600, 105760, 132200, 161284, 201605, 211520, 264400, 322568, 403210, 528800, 645136, 806420, 1008025, 1057600, 1290272, 1612840, 2016050, 2580544, 3225680, 4032100, 6451360, 8064200, 12902720, 16128400, 32256800, 64513600]

約数ペア:

[(1, 64513600), (2, 32256800), (4, 16128400), (5, 12902720), (8, 8064200), (10, 6451360), (16, 4032100), (20, 3225680), (25, 2580544), (32, 2016050), (40, 1612840), (50, 1290272), (61, 1057600), (64, 1008025), (80, 806420), (100, 645136), (122, 528800), (160, 403210), (200, 322568), (244, 264400), (305, 211520), (320, 201605), (400, 161284), (488, 132200), (610, 105760), (661, 97600), (800, 80642), (976, 66100), (1220, 52880), (1322, 48800), (1525, 42304), (1600, 40321), (1952, 33050), (2440, 26440), (2644, 24400), (3050, 21152), (3305, 19520), (3904, 16525), (4880, 13220), (5288, 12200), (6100, 10576), (6610, 9760)]