2138049680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 160

約数和(自身を含む): 5534645760

約数和(自身を除く): 3396596080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 79, 80, 104, 106, 130, 158, 208, 212, 260, 265, 316, 395, 424, 491, 520, 530, 632, 689, 790, 848, 982, 1027, 1040, 1060, 1264, 1378, 1580, 1964, 2054, 2120, 2455, 2756, 3160, 3445, 3928, 4108, 4187, 4240, 4910, 5135, 5512, 6320, 6383, 6890, 7856, 8216, 8374, 9820, 10270, 11024, 12766, 13780, 16432, 16748, 19640, 20540, 20935, 25532, 26023, 27560, 31915, 33496, 38789, 39280, 41080, 41870, 51064, 52046, 54431, 55120, 63830, 66992, 77578, 82160, 83740, 102128, 104092, 108862, 127660, 130115, 155156, 167480, 193945, 208184, 217724, 255320, 260230, 272155, 310312, 334960, 338299, 387890, 416368, 435448, 504257, 510640, 520460, 544310, 620624, 676598, 775780, 870896, 1008514, 1040920, 1088620, 1353196, 1551560, 1691495, 2017028, 2055817, 2081840, 2177240, 2521285, 2706392, 3103120, 3382990, 4034056, 4111634, 4354480, 5042570, 5412784, 6765980, 8068112, 8223268, 10085140, 10279085, 13531960, 16446536, 20170280, 20558170, 26725621, 27063920, 32893072, 40340560, 41116340, 53451242, 82232680, 106902484, 133628105, 164465360, 213804968, 267256210, 427609936, 534512420, 1069024840, 2138049680]

約数ペア:

[(1, 2138049680), (2, 1069024840), (4, 534512420), (5, 427609936), (8, 267256210), (10, 213804968), (13, 164465360), (16, 133628105), (20, 106902484), (26, 82232680), (40, 53451242), (52, 41116340), (53, 40340560), (65, 32893072), (79, 27063920), (80, 26725621), (104, 20558170), (106, 20170280), (130, 16446536), (158, 13531960), (208, 10279085), (212, 10085140), (260, 8223268), (265, 8068112), (316, 6765980), (395, 5412784), (424, 5042570), (491, 4354480), (520, 4111634), (530, 4034056), (632, 3382990), (689, 3103120), (790, 2706392), (848, 2521285), (982, 2177240), (1027, 2081840), (1040, 2055817), (1060, 2017028), (1264, 1691495), (1378, 1551560), (1580, 1353196), (1964, 1088620), (2054, 1040920), (2120, 1008514), (2455, 870896), (2756, 775780), (3160, 676598), (3445, 620624), (3928, 544310), (4108, 520460), (4187, 510640), (4240, 504257), (4910, 435448), (5135, 416368), (5512, 387890), (6320, 338299), (6383, 334960), (6890, 310312), (7856, 272155), (8216, 260230), (8374, 255320), (9820, 217724), (10270, 208184), (11024, 193945), (12766, 167480), (13780, 155156), (16432, 130115), (16748, 127660), (19640, 108862), (20540, 104092), (20935, 102128), (25532, 83740), (26023, 82160), (27560, 77578), (31915, 66992), (33496, 63830), (38789, 55120), (39280, 54431), (41080, 52046), (41870, 51064)]