260609440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2599

約数の個数: 144

約数和(自身を含む): 771605352

約数和(自身を除く): 510995912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2548, 2557, 2912, 3185, 3640, 3920, 5096, 5114, 6370, 7280, 7840, 10192, 10228, 12740, 12785, 14560, 17899, 20384, 20456, 25480, 25570, 33241, 35798, 40912, 50960, 51140, 66482, 71596, 81824, 89495, 101920, 102280, 125293, 132964, 143192, 166205, 178990, 204560, 232687, 250586, 265928, 286384, 332410, 357980, 409120, 465374, 501172, 531856, 572768, 626465, 664820, 715960, 930748, 1002344, 1063712, 1163435, 1252930, 1329640, 1431920, 1628809, 1861496, 2004688, 2326870, 2505860, 2659280, 2863840, 3257618, 3722992, 4009376, 4653740, 5011720, 5318560, 6515236, 7445984, 8144045, 9307480, 10023440, 13030472, 16288090, 18614960, 20046880, 26060944, 32576180, 37229920, 52121888, 65152360, 130304720, 260609440]

約数ペア:

[(1, 260609440), (2, 130304720), (4, 65152360), (5, 52121888), (7, 37229920), (8, 32576180), (10, 26060944), (13, 20046880), (14, 18614960), (16, 16288090), (20, 13030472), (26, 10023440), (28, 9307480), (32, 8144045), (35, 7445984), (40, 6515236), (49, 5318560), (52, 5011720), (56, 4653740), (65, 4009376), (70, 3722992), (80, 3257618), (91, 2863840), (98, 2659280), (104, 2505860), (112, 2326870), (130, 2004688), (140, 1861496), (160, 1628809), (182, 1431920), (196, 1329640), (208, 1252930), (224, 1163435), (245, 1063712), (260, 1002344), (280, 930748), (364, 715960), (392, 664820), (416, 626465), (455, 572768), (490, 531856), (520, 501172), (560, 465374), (637, 409120), (728, 357980), (784, 332410), (910, 286384), (980, 265928), (1040, 250586), (1120, 232687), (1274, 204560), (1456, 178990), (1568, 166205), (1820, 143192), (1960, 132964), (2080, 125293), (2548, 102280), (2557, 101920), (2912, 89495), (3185, 81824), (3640, 71596), (3920, 66482), (5096, 51140), (5114, 50960), (6370, 40912), (7280, 35798), (7840, 33241), (10192, 25570), (10228, 25480), (12740, 20456), (12785, 20384), (14560, 17899)]