849687680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 2120947200

約数和(自身を除く): 1271259520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 113, 124, 128, 155, 160, 226, 248, 310, 320, 379, 452, 496, 565, 620, 640, 758, 904, 992, 1130, 1240, 1516, 1808, 1895, 1984, 2260, 2480, 3032, 3503, 3616, 3790, 3968, 4520, 4960, 6064, 7006, 7232, 7580, 9040, 9920, 11749, 12128, 14012, 14464, 15160, 17515, 18080, 19840, 23498, 24256, 28024, 30320, 35030, 36160, 42827, 46996, 48512, 56048, 58745, 60640, 70060, 72320, 85654, 93992, 112096, 117490, 121280, 140120, 171308, 187984, 214135, 224192, 234980, 242560, 280240, 342616, 375968, 428270, 448384, 469960, 560480, 685232, 751936, 856540, 939920, 1120960, 1327637, 1370464, 1503872, 1713080, 1879840, 2241920, 2655274, 2740928, 3426160, 3759680, 5310548, 5481856, 6638185, 6852320, 7519360, 10621096, 13276370, 13704640, 21242192, 26552740, 27409280, 42484384, 53105480, 84968768, 106210960, 169937536, 212421920, 424843840, 849687680]

約数ペア:

[(1, 849687680), (2, 424843840), (4, 212421920), (5, 169937536), (8, 106210960), (10, 84968768), (16, 53105480), (20, 42484384), (31, 27409280), (32, 26552740), (40, 21242192), (62, 13704640), (64, 13276370), (80, 10621096), (113, 7519360), (124, 6852320), (128, 6638185), (155, 5481856), (160, 5310548), (226, 3759680), (248, 3426160), (310, 2740928), (320, 2655274), (379, 2241920), (452, 1879840), (496, 1713080), (565, 1503872), (620, 1370464), (640, 1327637), (758, 1120960), (904, 939920), (992, 856540), (1130, 751936), (1240, 685232), (1516, 560480), (1808, 469960), (1895, 448384), (1984, 428270), (2260, 375968), (2480, 342616), (3032, 280240), (3503, 242560), (3616, 234980), (3790, 224192), (3968, 214135), (4520, 187984), (4960, 171308), (6064, 140120), (7006, 121280), (7232, 117490), (7580, 112096), (9040, 93992), (9920, 85654), (11749, 72320), (12128, 70060), (14012, 60640), (14464, 58745), (15160, 56048), (17515, 48512), (18080, 46996), (19840, 42827), (23498, 36160), (24256, 35030), (28024, 30320)]