8956657640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{1667}}^1$

素因数の和:2335

約数の個数: 128

約数和(自身を含む): 23827046400

約数和(自身を除く): 14870388760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 619, 620, 868, 1085, 1238, 1240, 1667, 1736, 2170, 2476, 3095, 3334, 4333, 4340, 4952, 6190, 6668, 8335, 8666, 8680, 11669, 12380, 13336, 16670, 17332, 19189, 21665, 23338, 24760, 33340, 34664, 38378, 43330, 46676, 51677, 58345, 66680, 76756, 86660, 93352, 95945, 103354, 116690, 134323, 153512, 173320, 191890, 206708, 233380, 258385, 268646, 361739, 383780, 413416, 466760, 516770, 537292, 671615, 723478, 767560, 1031873, 1033540, 1074584, 1343230, 1446956, 1808695, 2063746, 2067080, 2686460, 2893912, 3617390, 4127492, 5159365, 5372920, 7223111, 7234780, 8254984, 10318730, 14446222, 14469560, 20637460, 28892444, 31988063, 36115555, 41274920, 57784888, 63976126, 72231110, 127952252, 144462220, 159940315, 223916441, 255904504, 288924440, 319880630, 447832882, 639761260, 895665764, 1119582205, 1279522520, 1791331528, 2239164410, 4478328820, 8956657640]

約数ペア:

[(1, 8956657640), (2, 4478328820), (4, 2239164410), (5, 1791331528), (7, 1279522520), (8, 1119582205), (10, 895665764), (14, 639761260), (20, 447832882), (28, 319880630), (31, 288924440), (35, 255904504), (40, 223916441), (56, 159940315), (62, 144462220), (70, 127952252), (124, 72231110), (140, 63976126), (155, 57784888), (217, 41274920), (248, 36115555), (280, 31988063), (310, 28892444), (434, 20637460), (619, 14469560), (620, 14446222), (868, 10318730), (1085, 8254984), (1238, 7234780), (1240, 7223111), (1667, 5372920), (1736, 5159365), (2170, 4127492), (2476, 3617390), (3095, 2893912), (3334, 2686460), (4333, 2067080), (4340, 2063746), (4952, 1808695), (6190, 1446956), (6668, 1343230), (8335, 1074584), (8666, 1033540), (8680, 1031873), (11669, 767560), (12380, 723478), (13336, 671615), (16670, 537292), (17332, 516770), (19189, 466760), (21665, 413416), (23338, 383780), (24760, 361739), (33340, 268646), (34664, 258385), (38378, 233380), (43330, 206708), (46676, 191890), (51677, 173320), (58345, 153512), (66680, 134323), (76756, 116690), (86660, 103354), (93352, 95945)]