279504680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2539

約数の個数: 128

約数和(自身を含む): 799303680

約数和(自身を除く): 519799000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2477, 2821, 3224, 3640, 4030, 4340, 4954, 5642, 8060, 8680, 9908, 11284, 12385, 14105, 16120, 17339, 19816, 22568, 24770, 28210, 32201, 34678, 49540, 56420, 64402, 69356, 76787, 86695, 99080, 112840, 128804, 138712, 153574, 161005, 173390, 225407, 257608, 307148, 322010, 346780, 383935, 450814, 537509, 614296, 644020, 693560, 767870, 901628, 998231, 1075018, 1127035, 1288040, 1535740, 1803256, 1996462, 2150036, 2254070, 2687545, 3071480, 3992924, 4300072, 4508140, 4991155, 5375090, 6987617, 7985848, 9016280, 9982310, 10750180, 13975234, 19964620, 21500360, 27950468, 34938085, 39929240, 55900936, 69876170, 139752340, 279504680]

約数ペア:

[(1, 279504680), (2, 139752340), (4, 69876170), (5, 55900936), (7, 39929240), (8, 34938085), (10, 27950468), (13, 21500360), (14, 19964620), (20, 13975234), (26, 10750180), (28, 9982310), (31, 9016280), (35, 7985848), (40, 6987617), (52, 5375090), (56, 4991155), (62, 4508140), (65, 4300072), (70, 3992924), (91, 3071480), (104, 2687545), (124, 2254070), (130, 2150036), (140, 1996462), (155, 1803256), (182, 1535740), (217, 1288040), (248, 1127035), (260, 1075018), (280, 998231), (310, 901628), (364, 767870), (403, 693560), (434, 644020), (455, 614296), (520, 537509), (620, 450814), (728, 383935), (806, 346780), (868, 322010), (910, 307148), (1085, 257608), (1240, 225407), (1612, 173390), (1736, 161005), (1820, 153574), (2015, 138712), (2170, 128804), (2477, 112840), (2821, 99080), (3224, 86695), (3640, 76787), (4030, 69356), (4340, 64402), (4954, 56420), (5642, 49540), (8060, 34678), (8680, 32201), (9908, 28210), (11284, 24770), (12385, 22568), (14105, 19816), (16120, 17339)]