1280795880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2300

約数の個数: 256

約数和(自身を含む): 4820497920

約数和(自身を除く): 3539702040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 53, 56, 60, 65, 70, 78, 84, 91, 104, 105, 106, 120, 130, 140, 156, 159, 168, 182, 195, 210, 212, 260, 265, 273, 280, 312, 318, 364, 371, 390, 420, 424, 455, 520, 530, 546, 636, 689, 728, 742, 780, 795, 840, 910, 1060, 1092, 1113, 1272, 1365, 1378, 1484, 1560, 1590, 1820, 1855, 2067, 2120, 2184, 2213, 2226, 2730, 2756, 2968, 3180, 3445, 3640, 3710, 4134, 4426, 4452, 4823, 5460, 5512, 5565, 6360, 6639, 6890, 7420, 8268, 8852, 8904, 9646, 10335, 10920, 11065, 11130, 13278, 13780, 14469, 14840, 15491, 16536, 17704, 19292, 20670, 22130, 22260, 24115, 26556, 27560, 28769, 28938, 30982, 33195, 38584, 41340, 44260, 44520, 46473, 48230, 53112, 57538, 57876, 61964, 66390, 72345, 77455, 82680, 86307, 88520, 92946, 96460, 115076, 115752, 117289, 123928, 132780, 143845, 144690, 154910, 172614, 185892, 192920, 201383, 230152, 232365, 234578, 265560, 287690, 289380, 309820, 345228, 351867, 371784, 402766, 431535, 464730, 469156, 575380, 578760, 586445, 604149, 619640, 690456, 703734, 805532, 821023, 863070, 929460, 938312, 1006915, 1150760, 1172890, 1208298, 1407468, 1524757, 1611064, 1642046, 1726140, 1759335, 1858920, 2013830, 2345780, 2416596, 2463069, 2814936, 3020745, 3049514, 3284092, 3452280, 3518670, 4027660, 4105115, 4574271, 4691560, 4833192, 4926138, 6041490, 6099028, 6568184, 7037340, 7623785, 8055320, 8210230, 9148542, 9852276, 10673299, 12082980, 12198056, 12315345, 14074680, 15247570, 16420460, 18297084, 19704552, 21346598, 22871355, 24165960, 24630690, 30495140, 32019897, 32840920, 36594168, 42693196, 45742710, 49261380, 53366495, 60990280, 64039794, 85386392, 91485420, 98522760, 106732990, 128079588, 160099485, 182970840, 213465980, 256159176, 320198970, 426931960, 640397940, 1280795880]

約数ペア:

[(1, 1280795880), (2, 640397940), (3, 426931960), (4, 320198970), (5, 256159176), (6, 213465980), (7, 182970840), (8, 160099485), (10, 128079588), (12, 106732990), (13, 98522760), (14, 91485420), (15, 85386392), (20, 64039794), (21, 60990280), (24, 53366495), (26, 49261380), (28, 45742710), (30, 42693196), (35, 36594168), (39, 32840920), (40, 32019897), (42, 30495140), (52, 24630690), (53, 24165960), (56, 22871355), (60, 21346598), (65, 19704552), (70, 18297084), (78, 16420460), (84, 15247570), (91, 14074680), (104, 12315345), (105, 12198056), (106, 12082980), (120, 10673299), (130, 9852276), (140, 9148542), (156, 8210230), (159, 8055320), (168, 7623785), (182, 7037340), (195, 6568184), (210, 6099028), (212, 6041490), (260, 4926138), (265, 4833192), (273, 4691560), (280, 4574271), (312, 4105115), (318, 4027660), (364, 3518670), (371, 3452280), (390, 3284092), (420, 3049514), (424, 3020745), (455, 2814936), (520, 2463069), (530, 2416596), (546, 2345780), (636, 2013830), (689, 1858920), (728, 1759335), (742, 1726140), (780, 1642046), (795, 1611064), (840, 1524757), (910, 1407468), (1060, 1208298), (1092, 1172890), (1113, 1150760), (1272, 1006915), (1365, 938312), (1378, 929460), (1484, 863070), (1560, 821023), (1590, 805532), (1820, 703734), (1855, 690456), (2067, 619640), (2120, 604149), (2184, 586445), (2213, 578760), (2226, 575380), (2730, 469156), (2756, 464730), (2968, 431535), (3180, 402766), (3445, 371784), (3640, 351867), (3710, 345228), (4134, 309820), (4426, 289380), (4452, 287690), (4823, 265560), (5460, 234578), (5512, 232365), (5565, 230152), (6360, 201383), (6639, 192920), (6890, 185892), (7420, 172614), (8268, 154910), (8852, 144690), (8904, 143845), (9646, 132780), (10335, 123928), (10920, 117289), (11065, 115752), (11130, 115076), (13278, 96460), (13780, 92946), (14469, 88520), (14840, 86307), (15491, 82680), (16536, 77455), (17704, 72345), (19292, 66390), (20670, 61964), (22130, 57876), (22260, 57538), (24115, 53112), (26556, 48230), (27560, 46473), (28769, 44520), (28938, 44260), (30982, 41340), (33195, 38584)]