315610880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1459}}^1$

素因数の和:1506

約数の個数: 108

約数和(自身を含む): 819173880

約数和(自身を除く): 503563000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 520, 640, 676, 832, 845, 1040, 1280, 1352, 1459, 1664, 1690, 2080, 2704, 2918, 3328, 3380, 4160, 5408, 5836, 6760, 7295, 8320, 10816, 11672, 13520, 14590, 16640, 18967, 21632, 23344, 27040, 29180, 37934, 43264, 46688, 54080, 58360, 75868, 93376, 94835, 108160, 116720, 151736, 186752, 189670, 216320, 233440, 246571, 303472, 373504, 379340, 466880, 493142, 606944, 758680, 933760, 986284, 1213888, 1232855, 1517360, 1867520, 1972568, 2427776, 2465710, 3034720, 3945136, 4855552, 4931420, 6069440, 7890272, 9862840, 12138880, 15780544, 19725680, 24277760, 31561088, 39451360, 63122176, 78902720, 157805440, 315610880]

約数ペア:

[(1, 315610880), (2, 157805440), (4, 78902720), (5, 63122176), (8, 39451360), (10, 31561088), (13, 24277760), (16, 19725680), (20, 15780544), (26, 12138880), (32, 9862840), (40, 7890272), (52, 6069440), (64, 4931420), (65, 4855552), (80, 3945136), (104, 3034720), (128, 2465710), (130, 2427776), (160, 1972568), (169, 1867520), (208, 1517360), (256, 1232855), (260, 1213888), (320, 986284), (338, 933760), (416, 758680), (520, 606944), (640, 493142), (676, 466880), (832, 379340), (845, 373504), (1040, 303472), (1280, 246571), (1352, 233440), (1459, 216320), (1664, 189670), (1690, 186752), (2080, 151736), (2704, 116720), (2918, 108160), (3328, 94835), (3380, 93376), (4160, 75868), (5408, 58360), (5836, 54080), (6760, 46688), (7295, 43264), (8320, 37934), (10816, 29180), (11672, 27040), (13520, 23344), (14590, 21632), (16640, 18967)]