245878360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2241

約数の個数: 128

約数和(自身を含む): 703180800

約数和(自身を除く): 457302440

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, 2179, 2821, 3224, 3640, 4030, 4340, 4358, 5642, 8060, 8680, 8716, 10895, 11284, 14105, 15253, 16120, 17432, 21790, 22568, 28210, 28327, 30506, 43580, 56420, 56654, 61012, 67549, 76265, 87160, 112840, 113308, 122024, 135098, 141635, 152530, 198289, 226616, 270196, 283270, 305060, 337745, 396578, 472843, 540392, 566540, 610120, 675490, 793156, 878137, 945686, 991445, 1133080, 1350980, 1586312, 1756274, 1891372, 1982890, 2364215, 2701960, 3512548, 3782744, 3965780, 4390685, 4728430, 6146959, 7025096, 7931560, 8781370, 9456860, 12293918, 17562740, 18913720, 24587836, 30734795, 35125480, 49175672, 61469590, 122939180, 245878360]

約数ペア:

[(1, 245878360), (2, 122939180), (4, 61469590), (5, 49175672), (7, 35125480), (8, 30734795), (10, 24587836), (13, 18913720), (14, 17562740), (20, 12293918), (26, 9456860), (28, 8781370), (31, 7931560), (35, 7025096), (40, 6146959), (52, 4728430), (56, 4390685), (62, 3965780), (65, 3782744), (70, 3512548), (91, 2701960), (104, 2364215), (124, 1982890), (130, 1891372), (140, 1756274), (155, 1586312), (182, 1350980), (217, 1133080), (248, 991445), (260, 945686), (280, 878137), (310, 793156), (364, 675490), (403, 610120), (434, 566540), (455, 540392), (520, 472843), (620, 396578), (728, 337745), (806, 305060), (868, 283270), (910, 270196), (1085, 226616), (1240, 198289), (1612, 152530), (1736, 141635), (1820, 135098), (2015, 122024), (2170, 113308), (2179, 112840), (2821, 87160), (3224, 76265), (3640, 67549), (4030, 61012), (4340, 56654), (4358, 56420), (5642, 43580), (8060, 30506), (8680, 28327), (8716, 28210), (10895, 22568), (11284, 21790), (14105, 17432), (15253, 16120)]