315609280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{140897}}^1$

素因数の和:140921

約数の個数: 56

約数和(自身を含む): 858914208

約数和(自身を除く): 543304928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 140897, 281794, 563588, 704485, 986279, 1127176, 1408970, 1972558, 2254352, 2817940, 3945116, 4508704, 4931395, 5635880, 7890232, 9017408, 9862790, 11271760, 15780464, 19725580, 22543520, 31560928, 39451160, 45087040, 63121856, 78902320, 157804640, 315609280]

約数ペア:

[(1, 315609280), (2, 157804640), (4, 78902320), (5, 63121856), (7, 45087040), (8, 39451160), (10, 31560928), (14, 22543520), (16, 19725580), (20, 15780464), (28, 11271760), (32, 9862790), (35, 9017408), (40, 7890232), (56, 5635880), (64, 4931395), (70, 4508704), (80, 3945116), (112, 2817940), (140, 2254352), (160, 1972558), (224, 1408970), (280, 1127176), (320, 986279), (448, 704485), (560, 563588), (1120, 281794), (2240, 140897)]