1331568420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7867}}^1$

素因数の和:7930

約数の個数: 192

約数和(自身を含む): 4737417216

約数和(自身を除く): 3405848796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1612, 1820, 1860, 2015, 2170, 2418, 2604, 2730, 2821, 3255, 4030, 4340, 4836, 5460, 5642, 6045, 6510, 7867, 8060, 8463, 11284, 12090, 13020, 14105, 15734, 16926, 23601, 24180, 28210, 31468, 33852, 39335, 42315, 47202, 55069, 56420, 78670, 84630, 94404, 102271, 110138, 118005, 157340, 165207, 169260, 204542, 220276, 236010, 243877, 275345, 306813, 330414, 409084, 472020, 487754, 511355, 550690, 613626, 660828, 715897, 731631, 826035, 975508, 1022710, 1101380, 1219385, 1227252, 1431794, 1463262, 1534065, 1652070, 1707139, 2045420, 2147691, 2438770, 2863588, 2926524, 3068130, 3170401, 3304140, 3414278, 3579485, 3658155, 4295382, 4877540, 5121417, 6136260, 6340802, 6828556, 7158970, 7316310, 8535695, 8590764, 9511203, 10242834, 10738455, 12681604, 14317940, 14632620, 15852005, 17071390, 19022406, 20485668, 21476910, 22192807, 25607085, 31704010, 34142780, 38044812, 42953820, 44385614, 47556015, 51214170, 63408020, 66578421, 88771228, 95112030, 102428340, 110964035, 133156842, 190224060, 221928070, 266313684, 332892105, 443856140, 665784210, 1331568420]

約数ペア:

[(1, 1331568420), (2, 665784210), (3, 443856140), (4, 332892105), (5, 266313684), (6, 221928070), (7, 190224060), (10, 133156842), (12, 110964035), (13, 102428340), (14, 95112030), (15, 88771228), (20, 66578421), (21, 63408020), (26, 51214170), (28, 47556015), (30, 44385614), (31, 42953820), (35, 38044812), (39, 34142780), (42, 31704010), (52, 25607085), (60, 22192807), (62, 21476910), (65, 20485668), (70, 19022406), (78, 17071390), (84, 15852005), (91, 14632620), (93, 14317940), (105, 12681604), (124, 10738455), (130, 10242834), (140, 9511203), (155, 8590764), (156, 8535695), (182, 7316310), (186, 7158970), (195, 6828556), (210, 6340802), (217, 6136260), (260, 5121417), (273, 4877540), (310, 4295382), (364, 3658155), (372, 3579485), (390, 3414278), (403, 3304140), (420, 3170401), (434, 3068130), (455, 2926524), (465, 2863588), (546, 2438770), (620, 2147691), (651, 2045420), (780, 1707139), (806, 1652070), (868, 1534065), (910, 1463262), (930, 1431794), (1085, 1227252), (1092, 1219385), (1209, 1101380), (1302, 1022710), (1365, 975508), (1612, 826035), (1820, 731631), (1860, 715897), (2015, 660828), (2170, 613626), (2418, 550690), (2604, 511355), (2730, 487754), (2821, 472020), (3255, 409084), (4030, 330414), (4340, 306813), (4836, 275345), (5460, 243877), (5642, 236010), (6045, 220276), (6510, 204542), (7867, 169260), (8060, 165207), (8463, 157340), (11284, 118005), (12090, 110138), (13020, 102271), (14105, 94404), (15734, 84630), (16926, 78670), (23601, 56420), (24180, 55069), (28210, 47202), (31468, 42315), (33852, 39335)]