280956240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6397}}^1$

素因数の和:6477

約数の個数: 120

約数和(自身を含む): 959162568

約数和(自身を除く): 678206328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 6397, 7320, 8784, 10980, 12794, 14640, 19191, 21960, 25588, 31985, 38382, 43920, 51176, 57573, 63970, 76764, 95955, 102352, 115146, 127940, 153528, 191910, 230292, 255880, 287865, 307056, 383820, 390217, 460584, 511760, 575730, 767640, 780434, 921168, 1151460, 1170651, 1535280, 1560868, 1951085, 2302920, 2341302, 3121736, 3511953, 3902170, 4605840, 4682604, 5853255, 6243472, 7023906, 7804340, 9365208, 11706510, 14047812, 15608680, 17559765, 18730416, 23413020, 28095624, 31217360, 35119530, 46826040, 56191248, 70239060, 93652080, 140478120, 280956240]

約数ペア:

[(1, 280956240), (2, 140478120), (3, 93652080), (4, 70239060), (5, 56191248), (6, 46826040), (8, 35119530), (9, 31217360), (10, 28095624), (12, 23413020), (15, 18730416), (16, 17559765), (18, 15608680), (20, 14047812), (24, 11706510), (30, 9365208), (36, 7804340), (40, 7023906), (45, 6243472), (48, 5853255), (60, 4682604), (61, 4605840), (72, 3902170), (80, 3511953), (90, 3121736), (120, 2341302), (122, 2302920), (144, 1951085), (180, 1560868), (183, 1535280), (240, 1170651), (244, 1151460), (305, 921168), (360, 780434), (366, 767640), (488, 575730), (549, 511760), (610, 460584), (720, 390217), (732, 383820), (915, 307056), (976, 287865), (1098, 255880), (1220, 230292), (1464, 191910), (1830, 153528), (2196, 127940), (2440, 115146), (2745, 102352), (2928, 95955), (3660, 76764), (4392, 63970), (4880, 57573), (5490, 51176), (6397, 43920), (7320, 38382), (8784, 31985), (10980, 25588), (12794, 21960), (14640, 19191)]