140856560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 160

約数和(自身を含む): 386975232

約数和(自身を除く): 246118672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 257, 260, 272, 310, 340, 403, 442, 496, 514, 520, 527, 620, 680, 806, 884, 1028, 1040, 1054, 1105, 1240, 1285, 1360, 1612, 1768, 2015, 2056, 2108, 2210, 2480, 2570, 2635, 3224, 3341, 3536, 4030, 4112, 4216, 4369, 4420, 5140, 5270, 6448, 6682, 6851, 7967, 8060, 8432, 8738, 8840, 10280, 10540, 13364, 13702, 15934, 16120, 16705, 17476, 17680, 20560, 21080, 21845, 26728, 27404, 31868, 32240, 33410, 34255, 34952, 39835, 42160, 43690, 53456, 54808, 56797, 63736, 66820, 68510, 69904, 79670, 87380, 103571, 109616, 113594, 127472, 133640, 135439, 137020, 159340, 174760, 207142, 227188, 267280, 270878, 274040, 283985, 318680, 349520, 414284, 454376, 517855, 541756, 548080, 567970, 637360, 677195, 828568, 908752, 1035710, 1083512, 1135940, 1354390, 1657136, 1760707, 2071420, 2167024, 2271880, 2708780, 3521414, 4142840, 4543760, 5417560, 7042828, 8285680, 8803535, 10835120, 14085656, 17607070, 28171312, 35214140, 70428280, 140856560]

約数ペア:

[(1, 140856560), (2, 70428280), (4, 35214140), (5, 28171312), (8, 17607070), (10, 14085656), (13, 10835120), (16, 8803535), (17, 8285680), (20, 7042828), (26, 5417560), (31, 4543760), (34, 4142840), (40, 3521414), (52, 2708780), (62, 2271880), (65, 2167024), (68, 2071420), (80, 1760707), (85, 1657136), (104, 1354390), (124, 1135940), (130, 1083512), (136, 1035710), (155, 908752), (170, 828568), (208, 677195), (221, 637360), (248, 567970), (257, 548080), (260, 541756), (272, 517855), (310, 454376), (340, 414284), (403, 349520), (442, 318680), (496, 283985), (514, 274040), (520, 270878), (527, 267280), (620, 227188), (680, 207142), (806, 174760), (884, 159340), (1028, 137020), (1040, 135439), (1054, 133640), (1105, 127472), (1240, 113594), (1285, 109616), (1360, 103571), (1612, 87380), (1768, 79670), (2015, 69904), (2056, 68510), (2108, 66820), (2210, 63736), (2480, 56797), (2570, 54808), (2635, 53456), (3224, 43690), (3341, 42160), (3536, 39835), (4030, 34952), (4112, 34255), (4216, 33410), (4369, 32240), (4420, 31868), (5140, 27404), (5270, 26728), (6448, 21845), (6682, 21080), (6851, 20560), (7967, 17680), (8060, 17476), (8432, 16705), (8738, 16120), (8840, 15934), (10280, 13702), (10540, 13364)]