66975720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1215

約数の個数: 128

約数和(自身を含む): 233072640

約数和(自身を除く): 166096920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1123, 1420, 1491, 1704, 1988, 2130, 2246, 2485, 2840, 2982, 3369, 3976, 4260, 4492, 4970, 5615, 5964, 6738, 7455, 7861, 8520, 8984, 9940, 11230, 11928, 13476, 14910, 15722, 16845, 19880, 22460, 23583, 26952, 29820, 31444, 33690, 39305, 44920, 47166, 59640, 62888, 67380, 78610, 79733, 94332, 117915, 134760, 157220, 159466, 188664, 235830, 239199, 314440, 318932, 398665, 471660, 478398, 558131, 637864, 797330, 943320, 956796, 1116262, 1195995, 1594660, 1674393, 1913592, 2232524, 2391990, 2790655, 3189320, 3348786, 4465048, 4783980, 5581310, 6697572, 8371965, 9567960, 11162620, 13395144, 16743930, 22325240, 33487860, 66975720]

約数ペア:

[(1, 66975720), (2, 33487860), (3, 22325240), (4, 16743930), (5, 13395144), (6, 11162620), (7, 9567960), (8, 8371965), (10, 6697572), (12, 5581310), (14, 4783980), (15, 4465048), (20, 3348786), (21, 3189320), (24, 2790655), (28, 2391990), (30, 2232524), (35, 1913592), (40, 1674393), (42, 1594660), (56, 1195995), (60, 1116262), (70, 956796), (71, 943320), (84, 797330), (105, 637864), (120, 558131), (140, 478398), (142, 471660), (168, 398665), (210, 318932), (213, 314440), (280, 239199), (284, 235830), (355, 188664), (420, 159466), (426, 157220), (497, 134760), (568, 117915), (710, 94332), (840, 79733), (852, 78610), (994, 67380), (1065, 62888), (1123, 59640), (1420, 47166), (1491, 44920), (1704, 39305), (1988, 33690), (2130, 31444), (2246, 29820), (2485, 26952), (2840, 23583), (2982, 22460), (3369, 19880), (3976, 16845), (4260, 15722), (4492, 14910), (4970, 13476), (5615, 11928), (5964, 11230), (6738, 9940), (7455, 8984), (7861, 8520)]