653859440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1267

約数の個数: 160

約数和(自身を含む): 1790885376

約数和(自身を除く): 1137025936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 260, 272, 310, 340, 403, 442, 496, 520, 527, 620, 680, 806, 884, 1040, 1054, 1105, 1193, 1240, 1360, 1612, 1768, 2015, 2108, 2210, 2386, 2480, 2635, 3224, 3536, 4030, 4216, 4420, 4772, 5270, 5965, 6448, 6851, 8060, 8432, 8840, 9544, 10540, 11930, 13702, 15509, 16120, 17680, 19088, 20281, 21080, 23860, 27404, 31018, 32240, 34255, 36983, 40562, 42160, 47720, 54808, 62036, 68510, 73966, 77545, 81124, 95440, 101405, 109616, 124072, 137020, 147932, 155090, 162248, 184915, 202810, 248144, 263653, 274040, 295864, 310180, 324496, 369830, 405620, 480779, 527306, 548080, 591728, 620360, 628711, 739660, 811240, 961558, 1054612, 1240720, 1257422, 1318265, 1479320, 1622480, 1923116, 2109224, 2403895, 2514844, 2636530, 2958640, 3143555, 3846232, 4218448, 4807790, 5029688, 5273060, 6287110, 7692464, 8173243, 9615580, 10059376, 10546120, 12574220, 16346486, 19231160, 21092240, 25148440, 32692972, 38462320, 40866215, 50296880, 65385944, 81732430, 130771888, 163464860, 326929720, 653859440]

約数ペア:

[(1, 653859440), (2, 326929720), (4, 163464860), (5, 130771888), (8, 81732430), (10, 65385944), (13, 50296880), (16, 40866215), (17, 38462320), (20, 32692972), (26, 25148440), (31, 21092240), (34, 19231160), (40, 16346486), (52, 12574220), (62, 10546120), (65, 10059376), (68, 9615580), (80, 8173243), (85, 7692464), (104, 6287110), (124, 5273060), (130, 5029688), (136, 4807790), (155, 4218448), (170, 3846232), (208, 3143555), (221, 2958640), (248, 2636530), (260, 2514844), (272, 2403895), (310, 2109224), (340, 1923116), (403, 1622480), (442, 1479320), (496, 1318265), (520, 1257422), (527, 1240720), (620, 1054612), (680, 961558), (806, 811240), (884, 739660), (1040, 628711), (1054, 620360), (1105, 591728), (1193, 548080), (1240, 527306), (1360, 480779), (1612, 405620), (1768, 369830), (2015, 324496), (2108, 310180), (2210, 295864), (2386, 274040), (2480, 263653), (2635, 248144), (3224, 202810), (3536, 184915), (4030, 162248), (4216, 155090), (4420, 147932), (4772, 137020), (5270, 124072), (5965, 109616), (6448, 101405), (6851, 95440), (8060, 81124), (8432, 77545), (8840, 73966), (9544, 68510), (10540, 62036), (11930, 54808), (13702, 47720), (15509, 42160), (16120, 40562), (17680, 36983), (19088, 34255), (20281, 32240), (21080, 31018), (23860, 27404)]