20135137080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1\times {\mathrm{2131}}^1$

素因数の和:3325

約数の個数: 128

約数和(自身を含む): 61340198400

約数和(自身を除く): 41205061320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1109, 1420, 1704, 2130, 2131, 2218, 2840, 3327, 4260, 4262, 4436, 5545, 6393, 6654, 8520, 8524, 8872, 10655, 11090, 12786, 13308, 16635, 17048, 21310, 22180, 25572, 26616, 31965, 33270, 42620, 44360, 51144, 63930, 66540, 78739, 85240, 127860, 133080, 151301, 157478, 236217, 255720, 302602, 314956, 393695, 453903, 472434, 605204, 629912, 756505, 787390, 907806, 944868, 1181085, 1210408, 1513010, 1574780, 1815612, 1889736, 2269515, 2362170, 2363279, 3026020, 3149560, 3631224, 4539030, 4724340, 4726558, 6052040, 7089837, 9078060, 9448680, 9453116, 11816395, 14179674, 18156120, 18906232, 23632790, 28359348, 35449185, 47265580, 56718696, 70898370, 94531160, 141796740, 167792809, 283593480, 335585618, 503378427, 671171236, 838964045, 1006756854, 1342342472, 1677928090, 2013513708, 2516892135, 3355856180, 4027027416, 5033784270, 6711712360, 10067568540, 20135137080]

約数ペア:

[(1, 20135137080), (2, 10067568540), (3, 6711712360), (4, 5033784270), (5, 4027027416), (6, 3355856180), (8, 2516892135), (10, 2013513708), (12, 1677928090), (15, 1342342472), (20, 1006756854), (24, 838964045), (30, 671171236), (40, 503378427), (60, 335585618), (71, 283593480), (120, 167792809), (142, 141796740), (213, 94531160), (284, 70898370), (355, 56718696), (426, 47265580), (568, 35449185), (710, 28359348), (852, 23632790), (1065, 18906232), (1109, 18156120), (1420, 14179674), (1704, 11816395), (2130, 9453116), (2131, 9448680), (2218, 9078060), (2840, 7089837), (3327, 6052040), (4260, 4726558), (4262, 4724340), (4436, 4539030), (5545, 3631224), (6393, 3149560), (6654, 3026020), (8520, 2363279), (8524, 2362170), (8872, 2269515), (10655, 1889736), (11090, 1815612), (12786, 1574780), (13308, 1513010), (16635, 1210408), (17048, 1181085), (21310, 944868), (22180, 907806), (25572, 787390), (26616, 756505), (31965, 629912), (33270, 605204), (42620, 472434), (44360, 453903), (51144, 393695), (63930, 314956), (66540, 302602), (78739, 255720), (85240, 236217), (127860, 157478), (133080, 151301)]