331311120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1213

約数の個数: 160

約数和(自身を含む): 1180876800

約数和(自身を除く): 849565680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 199, 210, 240, 280, 336, 398, 420, 560, 597, 796, 840, 991, 995, 1194, 1393, 1592, 1680, 1982, 1990, 2388, 2786, 2973, 2985, 3184, 3964, 3980, 4179, 4776, 4955, 5572, 5946, 5970, 6937, 6965, 7928, 7960, 8358, 9552, 9910, 11144, 11892, 11940, 13874, 13930, 14865, 15856, 15920, 16716, 19820, 20811, 20895, 22288, 23784, 23880, 27748, 27860, 29730, 33432, 34685, 39640, 41622, 41790, 47568, 47760, 55496, 55720, 59460, 66864, 69370, 79280, 83244, 83580, 104055, 110992, 111440, 118920, 138740, 166488, 167160, 197209, 208110, 237840, 277480, 332976, 334320, 394418, 416220, 554960, 591627, 788836, 832440, 986045, 1183254, 1380463, 1577672, 1664880, 1972090, 2366508, 2760926, 2958135, 3155344, 3944180, 4141389, 4733016, 5521852, 5916270, 6902315, 7888360, 8282778, 9466032, 11043704, 11832540, 13804630, 15776720, 16565556, 20706945, 22087408, 23665080, 27609260, 33131112, 41413890, 47330160, 55218520, 66262224, 82827780, 110437040, 165655560, 331311120]

約数ペア:

[(1, 331311120), (2, 165655560), (3, 110437040), (4, 82827780), (5, 66262224), (6, 55218520), (7, 47330160), (8, 41413890), (10, 33131112), (12, 27609260), (14, 23665080), (15, 22087408), (16, 20706945), (20, 16565556), (21, 15776720), (24, 13804630), (28, 11832540), (30, 11043704), (35, 9466032), (40, 8282778), (42, 7888360), (48, 6902315), (56, 5916270), (60, 5521852), (70, 4733016), (80, 4141389), (84, 3944180), (105, 3155344), (112, 2958135), (120, 2760926), (140, 2366508), (168, 1972090), (199, 1664880), (210, 1577672), (240, 1380463), (280, 1183254), (336, 986045), (398, 832440), (420, 788836), (560, 591627), (597, 554960), (796, 416220), (840, 394418), (991, 334320), (995, 332976), (1194, 277480), (1393, 237840), (1592, 208110), (1680, 197209), (1982, 167160), (1990, 166488), (2388, 138740), (2786, 118920), (2973, 111440), (2985, 110992), (3184, 104055), (3964, 83580), (3980, 83244), (4179, 79280), (4776, 69370), (4955, 66864), (5572, 59460), (5946, 55720), (5970, 55496), (6937, 47760), (6965, 47568), (7928, 41790), (7960, 41622), (8358, 39640), (9552, 34685), (9910, 33432), (11144, 29730), (11892, 27860), (11940, 27748), (13874, 23880), (13930, 23784), (14865, 22288), (15856, 20895), (15920, 20811), (16716, 19820)]