1296119240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 3233260800

約数和(自身を除く): 1937141560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 131, 212, 260, 262, 265, 359, 424, 520, 524, 530, 655, 689, 718, 1048, 1060, 1310, 1378, 1436, 1703, 1795, 2120, 2620, 2756, 2872, 3406, 3445, 3590, 4667, 5240, 5512, 6812, 6890, 6943, 7180, 8515, 9334, 13624, 13780, 13886, 14360, 17030, 18668, 19027, 23335, 27560, 27772, 34060, 34715, 37336, 38054, 46670, 47029, 55544, 68120, 69430, 76108, 90259, 93340, 94058, 95135, 138860, 152216, 180518, 186680, 188116, 190270, 235145, 247351, 277720, 361036, 376232, 380540, 451295, 470290, 494702, 611377, 722072, 761080, 902590, 940580, 989404, 1222754, 1236755, 1805180, 1881160, 1978808, 2445508, 2473510, 2492537, 3056885, 3610360, 4891016, 4947020, 4985074, 6113770, 9894040, 9970148, 12227540, 12462685, 19940296, 24455080, 24925370, 32402981, 49850740, 64805962, 99701480, 129611924, 162014905, 259223848, 324029810, 648059620, 1296119240]

約数ペア:

[(1, 1296119240), (2, 648059620), (4, 324029810), (5, 259223848), (8, 162014905), (10, 129611924), (13, 99701480), (20, 64805962), (26, 49850740), (40, 32402981), (52, 24925370), (53, 24455080), (65, 19940296), (104, 12462685), (106, 12227540), (130, 9970148), (131, 9894040), (212, 6113770), (260, 4985074), (262, 4947020), (265, 4891016), (359, 3610360), (424, 3056885), (520, 2492537), (524, 2473510), (530, 2445508), (655, 1978808), (689, 1881160), (718, 1805180), (1048, 1236755), (1060, 1222754), (1310, 989404), (1378, 940580), (1436, 902590), (1703, 761080), (1795, 722072), (2120, 611377), (2620, 494702), (2756, 470290), (2872, 451295), (3406, 380540), (3445, 376232), (3590, 361036), (4667, 277720), (5240, 247351), (5512, 235145), (6812, 190270), (6890, 188116), (6943, 186680), (7180, 180518), (8515, 152216), (9334, 138860), (13624, 95135), (13780, 94058), (13886, 93340), (14360, 90259), (17030, 76108), (18668, 69430), (19027, 68120), (23335, 55544), (27560, 47029), (27772, 46670), (34060, 38054), (34715, 37336)]