15845620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 43666560

約数和(自身を除く): 27820940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 37, 38, 46, 49, 70, 74, 76, 92, 95, 98, 115, 133, 140, 148, 161, 185, 190, 196, 230, 245, 259, 266, 322, 370, 380, 437, 460, 490, 518, 532, 644, 665, 703, 740, 805, 851, 874, 931, 980, 1036, 1127, 1295, 1330, 1406, 1610, 1702, 1748, 1813, 1862, 2185, 2254, 2590, 2660, 2812, 3059, 3220, 3404, 3515, 3626, 3724, 4255, 4370, 4508, 4655, 4921, 5180, 5635, 5957, 6118, 7030, 7252, 8510, 8740, 9065, 9310, 9842, 11270, 11914, 12236, 14060, 15295, 16169, 17020, 18130, 18620, 19684, 21413, 22540, 23828, 24605, 29785, 30590, 32338, 34447, 36260, 41699, 42826, 49210, 59570, 61180, 64676, 68894, 80845, 83398, 85652, 98420, 107065, 113183, 119140, 137788, 161690, 166796, 172235, 208495, 214130, 226366, 323380, 344470, 416990, 428260, 452732, 565915, 688940, 792281, 833980, 1131830, 1584562, 2263660, 3169124, 3961405, 7922810, 15845620]

約数ペア:

[(1, 15845620), (2, 7922810), (4, 3961405), (5, 3169124), (7, 2263660), (10, 1584562), (14, 1131830), (19, 833980), (20, 792281), (23, 688940), (28, 565915), (35, 452732), (37, 428260), (38, 416990), (46, 344470), (49, 323380), (70, 226366), (74, 214130), (76, 208495), (92, 172235), (95, 166796), (98, 161690), (115, 137788), (133, 119140), (140, 113183), (148, 107065), (161, 98420), (185, 85652), (190, 83398), (196, 80845), (230, 68894), (245, 64676), (259, 61180), (266, 59570), (322, 49210), (370, 42826), (380, 41699), (437, 36260), (460, 34447), (490, 32338), (518, 30590), (532, 29785), (644, 24605), (665, 23828), (703, 22540), (740, 21413), (805, 19684), (851, 18620), (874, 18130), (931, 17020), (980, 16169), (1036, 15295), (1127, 14060), (1295, 12236), (1330, 11914), (1406, 11270), (1610, 9842), (1702, 9310), (1748, 9065), (1813, 8740), (1862, 8510), (2185, 7252), (2254, 7030), (2590, 6118), (2660, 5957), (2812, 5635), (3059, 5180), (3220, 4921), (3404, 4655), (3515, 4508), (3626, 4370), (3724, 4255)]