291665360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 160

約数和(自身を含む): 817661952

約数和(自身を除く): 525996592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 53, 56, 62, 70, 80, 106, 112, 124, 140, 155, 212, 217, 248, 265, 280, 310, 317, 371, 424, 434, 496, 530, 560, 620, 634, 742, 848, 868, 1060, 1085, 1240, 1268, 1484, 1585, 1643, 1736, 1855, 2120, 2170, 2219, 2480, 2536, 2968, 3170, 3286, 3472, 3710, 4240, 4340, 4438, 5072, 5936, 6340, 6572, 7420, 8215, 8680, 8876, 9827, 11095, 11501, 12680, 13144, 14840, 16430, 16801, 17360, 17752, 19654, 22190, 23002, 25360, 26288, 29680, 32860, 33602, 35504, 39308, 44380, 46004, 49135, 57505, 65720, 67204, 68789, 78616, 84005, 88760, 92008, 98270, 115010, 117607, 131440, 134408, 137578, 157232, 168010, 177520, 184016, 196540, 230020, 235214, 268816, 275156, 336020, 343945, 393080, 460040, 470428, 520831, 550312, 588035, 672040, 687890, 786160, 920080, 940856, 1041662, 1100624, 1176070, 1344080, 1375780, 1881712, 2083324, 2352140, 2604155, 2751560, 3645817, 4166648, 4704280, 5208310, 5503120, 7291634, 8333296, 9408560, 10416620, 14583268, 18229085, 20833240, 29166536, 36458170, 41666480, 58333072, 72916340, 145832680, 291665360]

約数ペア:

[(1, 291665360), (2, 145832680), (4, 72916340), (5, 58333072), (7, 41666480), (8, 36458170), (10, 29166536), (14, 20833240), (16, 18229085), (20, 14583268), (28, 10416620), (31, 9408560), (35, 8333296), (40, 7291634), (53, 5503120), (56, 5208310), (62, 4704280), (70, 4166648), (80, 3645817), (106, 2751560), (112, 2604155), (124, 2352140), (140, 2083324), (155, 1881712), (212, 1375780), (217, 1344080), (248, 1176070), (265, 1100624), (280, 1041662), (310, 940856), (317, 920080), (371, 786160), (424, 687890), (434, 672040), (496, 588035), (530, 550312), (560, 520831), (620, 470428), (634, 460040), (742, 393080), (848, 343945), (868, 336020), (1060, 275156), (1085, 268816), (1240, 235214), (1268, 230020), (1484, 196540), (1585, 184016), (1643, 177520), (1736, 168010), (1855, 157232), (2120, 137578), (2170, 134408), (2219, 131440), (2480, 117607), (2536, 115010), (2968, 98270), (3170, 92008), (3286, 88760), (3472, 84005), (3710, 78616), (4240, 68789), (4340, 67204), (4438, 65720), (5072, 57505), (5936, 49135), (6340, 46004), (6572, 44380), (7420, 39308), (8215, 35504), (8680, 33602), (8876, 32860), (9827, 29680), (11095, 26288), (11501, 25360), (12680, 23002), (13144, 22190), (14840, 19654), (16430, 17752), (16801, 17360)]