401728080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:749

約数の個数: 160

約数和(自身を含む): 1348663680

約数和(自身を除く): 946935600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 331, 389, 390, 520, 624, 662, 778, 780, 993, 1040, 1167, 1324, 1556, 1560, 1655, 1945, 1986, 2334, 2648, 3112, 3120, 3310, 3890, 3972, 4303, 4668, 4965, 5057, 5296, 5835, 6224, 6620, 7780, 7944, 8606, 9336, 9930, 10114, 11670, 12909, 13240, 15171, 15560, 15888, 17212, 18672, 19860, 20228, 21515, 23340, 25285, 25818, 26480, 30342, 31120, 34424, 39720, 40456, 43030, 46680, 50570, 51636, 60684, 64545, 68848, 75855, 79440, 80912, 86060, 93360, 101140, 103272, 121368, 128759, 129090, 151710, 172120, 202280, 206544, 242736, 257518, 258180, 303420, 344240, 386277, 404560, 515036, 516360, 606840, 643795, 772554, 1030072, 1032720, 1213680, 1287590, 1545108, 1673867, 1931385, 2060144, 2575180, 3090216, 3347734, 3862770, 5021601, 5150360, 6180432, 6695468, 7725540, 8369335, 10043202, 10300720, 13390936, 15451080, 16738670, 20086404, 25108005, 26781872, 30902160, 33477340, 40172808, 50216010, 66954680, 80345616, 100432020, 133909360, 200864040, 401728080]

約数ペア:

[(1, 401728080), (2, 200864040), (3, 133909360), (4, 100432020), (5, 80345616), (6, 66954680), (8, 50216010), (10, 40172808), (12, 33477340), (13, 30902160), (15, 26781872), (16, 25108005), (20, 20086404), (24, 16738670), (26, 15451080), (30, 13390936), (39, 10300720), (40, 10043202), (48, 8369335), (52, 7725540), (60, 6695468), (65, 6180432), (78, 5150360), (80, 5021601), (104, 3862770), (120, 3347734), (130, 3090216), (156, 2575180), (195, 2060144), (208, 1931385), (240, 1673867), (260, 1545108), (312, 1287590), (331, 1213680), (389, 1032720), (390, 1030072), (520, 772554), (624, 643795), (662, 606840), (778, 516360), (780, 515036), (993, 404560), (1040, 386277), (1167, 344240), (1324, 303420), (1556, 258180), (1560, 257518), (1655, 242736), (1945, 206544), (1986, 202280), (2334, 172120), (2648, 151710), (3112, 129090), (3120, 128759), (3310, 121368), (3890, 103272), (3972, 101140), (4303, 93360), (4668, 86060), (4965, 80912), (5057, 79440), (5296, 75855), (5835, 68848), (6224, 64545), (6620, 60684), (7780, 51636), (7944, 50570), (8606, 46680), (9336, 43030), (9930, 40456), (10114, 39720), (11670, 34424), (12909, 31120), (13240, 30342), (15171, 26480), (15560, 25818), (15888, 25285), (17212, 23340), (18672, 21515), (19860, 20228)]