1256456775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7951}}^1$

素因数の和:8021

約数の個数: 72

約数和(自身を含む): 2473008384

約数和(自身を除く): 1216551609

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 49, 75, 105, 129, 147, 175, 215, 245, 301, 525, 645, 735, 903, 1075, 1225, 1505, 2107, 3225, 3675, 4515, 6321, 7525, 7951, 10535, 22575, 23853, 31605, 39755, 52675, 55657, 119265, 158025, 166971, 198775, 278285, 341893, 389599, 596325, 834855, 1025679, 1168797, 1391425, 1709465, 1947995, 2393251, 4174275, 5128395, 5843985, 7179753, 8547325, 9739975, 11966255, 16752757, 25641975, 29219925, 35898765, 50258271, 59831275, 83763785, 179493825, 251291355, 418818925, 1256456775]

約数ペア:

[(1, 1256456775), (3, 418818925), (5, 251291355), (7, 179493825), (15, 83763785), (21, 59831275), (25, 50258271), (35, 35898765), (43, 29219925), (49, 25641975), (75, 16752757), (105, 11966255), (129, 9739975), (147, 8547325), (175, 7179753), (215, 5843985), (245, 5128395), (301, 4174275), (525, 2393251), (645, 1947995), (735, 1709465), (903, 1391425), (1075, 1168797), (1225, 1025679), (1505, 834855), (2107, 596325), (3225, 389599), (3675, 341893), (4515, 278285), (6321, 198775), (7525, 166971), (7951, 158025), (10535, 119265), (22575, 55657), (23853, 52675), (31605, 39755)]