81770640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48673}}^1$

素因数の和:48696

約数の個数: 80

約数和(自身を含む): 289707648

約数和(自身を除く): 207937008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48673, 97346, 146019, 194692, 243365, 292038, 340711, 389384, 486730, 584076, 681422, 730095, 778768, 973460, 1022133, 1168152, 1362844, 1460190, 1703555, 1946920, 2044266, 2336304, 2725688, 2920380, 3407110, 3893840, 4088532, 5110665, 5451376, 5840760, 6814220, 8177064, 10221330, 11681520, 13628440, 16354128, 20442660, 27256880, 40885320, 81770640]

約数ペア:

[(1, 81770640), (2, 40885320), (3, 27256880), (4, 20442660), (5, 16354128), (6, 13628440), (7, 11681520), (8, 10221330), (10, 8177064), (12, 6814220), (14, 5840760), (15, 5451376), (16, 5110665), (20, 4088532), (21, 3893840), (24, 3407110), (28, 2920380), (30, 2725688), (35, 2336304), (40, 2044266), (42, 1946920), (48, 1703555), (56, 1460190), (60, 1362844), (70, 1168152), (80, 1022133), (84, 973460), (105, 778768), (112, 730095), (120, 681422), (140, 584076), (168, 486730), (210, 389384), (240, 340711), (280, 292038), (336, 243365), (420, 194692), (560, 146019), (840, 97346), (1680, 48673)]