78384040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1033}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 202498560

約数和(自身を除く): 124114520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1033, 1084, 1355, 1897, 2066, 2168, 2710, 3794, 4132, 5165, 5420, 7231, 7588, 8264, 9485, 10330, 10840, 14462, 15176, 18970, 20660, 28924, 36155, 37940, 41320, 57848, 72310, 75880, 144620, 279943, 289240, 559886, 1119772, 1399715, 1959601, 2239544, 2799430, 3919202, 5598860, 7838404, 9798005, 11197720, 15676808, 19596010, 39192020, 78384040]

約数ペア:

[(1, 78384040), (2, 39192020), (4, 19596010), (5, 15676808), (7, 11197720), (8, 9798005), (10, 7838404), (14, 5598860), (20, 3919202), (28, 2799430), (35, 2239544), (40, 1959601), (56, 1399715), (70, 1119772), (140, 559886), (271, 289240), (280, 279943), (542, 144620), (1033, 75880), (1084, 72310), (1355, 57848), (1897, 41320), (2066, 37940), (2168, 36155), (2710, 28924), (3794, 20660), (4132, 18970), (5165, 15176), (5420, 14462), (7231, 10840), (7588, 10330), (8264, 9485)]