15678900640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{5741}}^1$

素因数の和:5883

約数の個数: 144

約数和(自身を含む): 40514105016

約数和(自身を除く): 24835204376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 101, 104, 130, 160, 169, 202, 208, 260, 338, 404, 416, 505, 520, 676, 808, 845, 1010, 1040, 1313, 1352, 1616, 1690, 2020, 2080, 2626, 2704, 3232, 3380, 4040, 5252, 5408, 5741, 6565, 6760, 8080, 10504, 11482, 13130, 13520, 16160, 17069, 21008, 22964, 26260, 27040, 28705, 34138, 42016, 45928, 52520, 57410, 68276, 74633, 85345, 91856, 105040, 114820, 136552, 149266, 170690, 183712, 210080, 229640, 273104, 298532, 341380, 373165, 459280, 546208, 579841, 597064, 682760, 746330, 918560, 970229, 1159682, 1194128, 1365520, 1492660, 1940458, 2319364, 2388256, 2731040, 2899205, 2985320, 3880916, 4638728, 4851145, 5798410, 5970640, 7537933, 7761832, 9277456, 9702290, 11596820, 11941280, 15075866, 15523664, 18554912, 19404580, 23193640, 30151732, 31047328, 37689665, 38809160, 46387280, 60303464, 75379330, 77618320, 92774560, 97993129, 120606928, 150758660, 155236640, 195986258, 241213856, 301517320, 391972516, 489965645, 603034640, 783945032, 979931290, 1206069280, 1567890064, 1959862580, 3135780128, 3919725160, 7839450320, 15678900640]

約数ペア:

[(1, 15678900640), (2, 7839450320), (4, 3919725160), (5, 3135780128), (8, 1959862580), (10, 1567890064), (13, 1206069280), (16, 979931290), (20, 783945032), (26, 603034640), (32, 489965645), (40, 391972516), (52, 301517320), (65, 241213856), (80, 195986258), (101, 155236640), (104, 150758660), (130, 120606928), (160, 97993129), (169, 92774560), (202, 77618320), (208, 75379330), (260, 60303464), (338, 46387280), (404, 38809160), (416, 37689665), (505, 31047328), (520, 30151732), (676, 23193640), (808, 19404580), (845, 18554912), (1010, 15523664), (1040, 15075866), (1313, 11941280), (1352, 11596820), (1616, 9702290), (1690, 9277456), (2020, 7761832), (2080, 7537933), (2626, 5970640), (2704, 5798410), (3232, 4851145), (3380, 4638728), (4040, 3880916), (5252, 2985320), (5408, 2899205), (5741, 2731040), (6565, 2388256), (6760, 2319364), (8080, 1940458), (10504, 1492660), (11482, 1365520), (13130, 1194128), (13520, 1159682), (16160, 970229), (17069, 918560), (21008, 746330), (22964, 682760), (26260, 597064), (27040, 579841), (28705, 546208), (34138, 459280), (42016, 373165), (45928, 341380), (52520, 298532), (57410, 273104), (68276, 229640), (74633, 210080), (85345, 183712), (91856, 170690), (105040, 149266), (114820, 136552)]