287384880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 240

約数和(自身を含む): 979651584

約数和(自身を除く): 692266704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 107, 114, 120, 124, 152, 155, 186, 190, 214, 228, 240, 248, 285, 304, 310, 321, 361, 372, 380, 428, 456, 465, 496, 535, 570, 589, 620, 642, 722, 744, 760, 856, 912, 930, 1070, 1083, 1140, 1178, 1240, 1284, 1444, 1488, 1520, 1605, 1712, 1767, 1805, 1860, 2033, 2140, 2166, 2280, 2356, 2480, 2568, 2888, 2945, 3210, 3317, 3534, 3610, 3720, 4066, 4280, 4332, 4560, 4712, 5136, 5415, 5776, 5890, 6099, 6420, 6634, 7068, 7220, 7440, 8132, 8560, 8664, 8835, 9424, 9951, 10165, 10830, 11191, 11780, 12198, 12840, 13268, 14136, 14440, 16264, 16585, 17328, 17670, 19902, 20330, 21660, 22382, 23560, 24396, 25680, 26536, 28272, 28880, 30495, 32528, 33170, 33573, 35340, 38627, 39804, 40660, 43320, 44764, 47120, 48792, 49755, 53072, 55955, 60990, 63023, 66340, 67146, 70680, 77254, 79608, 81320, 86640, 89528, 97584, 99510, 111910, 115881, 121980, 126046, 132680, 134292, 141360, 154508, 159216, 162640, 167865, 179056, 189069, 193135, 199020, 223820, 231762, 243960, 252092, 265360, 268584, 309016, 315115, 335730, 378138, 386270, 398040, 447640, 463524, 487920, 504184, 537168, 579405, 618032, 630230, 671460, 756276, 772540, 796080, 895280, 927048, 945345, 1008368, 1158810, 1197437, 1260460, 1342920, 1512552, 1545080, 1854096, 1890690, 2317620, 2394874, 2520920, 2685840, 3025104, 3090160, 3592311, 3781380, 4635240, 4789748, 5041840, 5987185, 7184622, 7562760, 9270480, 9579496, 11974370, 14369244, 15125520, 17961555, 19158992, 23948740, 28738488, 35923110, 47897480, 57476976, 71846220, 95794960, 143692440, 287384880]

約数ペア:

[(1, 287384880), (2, 143692440), (3, 95794960), (4, 71846220), (5, 57476976), (6, 47897480), (8, 35923110), (10, 28738488), (12, 23948740), (15, 19158992), (16, 17961555), (19, 15125520), (20, 14369244), (24, 11974370), (30, 9579496), (31, 9270480), (38, 7562760), (40, 7184622), (48, 5987185), (57, 5041840), (60, 4789748), (62, 4635240), (76, 3781380), (80, 3592311), (93, 3090160), (95, 3025104), (107, 2685840), (114, 2520920), (120, 2394874), (124, 2317620), (152, 1890690), (155, 1854096), (186, 1545080), (190, 1512552), (214, 1342920), (228, 1260460), (240, 1197437), (248, 1158810), (285, 1008368), (304, 945345), (310, 927048), (321, 895280), (361, 796080), (372, 772540), (380, 756276), (428, 671460), (456, 630230), (465, 618032), (496, 579405), (535, 537168), (570, 504184), (589, 487920), (620, 463524), (642, 447640), (722, 398040), (744, 386270), (760, 378138), (856, 335730), (912, 315115), (930, 309016), (1070, 268584), (1083, 265360), (1140, 252092), (1178, 243960), (1240, 231762), (1284, 223820), (1444, 199020), (1488, 193135), (1520, 189069), (1605, 179056), (1712, 167865), (1767, 162640), (1805, 159216), (1860, 154508), (2033, 141360), (2140, 134292), (2166, 132680), (2280, 126046), (2356, 121980), (2480, 115881), (2568, 111910), (2888, 99510), (2945, 97584), (3210, 89528), (3317, 86640), (3534, 81320), (3610, 79608), (3720, 77254), (4066, 70680), (4280, 67146), (4332, 66340), (4560, 63023), (4712, 60990), (5136, 55955), (5415, 53072), (5776, 49755), (5890, 48792), (6099, 47120), (6420, 44764), (6634, 43320), (7068, 40660), (7220, 39804), (7440, 38627), (8132, 35340), (8560, 33573), (8664, 33170), (8835, 32528), (9424, 30495), (9951, 28880), (10165, 28272), (10830, 26536), (11191, 25680), (11780, 24396), (12198, 23560), (12840, 22382), (13268, 21660), (14136, 20330), (14440, 19902), (16264, 17670), (16585, 17328)]