64719480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{77047}}^1$

素因数の和:77068

約数の個数: 64

約数和(自身を含む): 221898240

約数和(自身を除く): 157178760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 77047, 154094, 231141, 308188, 385235, 462282, 539329, 616376, 770470, 924564, 1078658, 1155705, 1540940, 1617987, 1849128, 2157316, 2311410, 2696645, 3081880, 3235974, 4314632, 4622820, 5393290, 6471948, 8089935, 9245640, 10786580, 12943896, 16179870, 21573160, 32359740, 64719480]

約数ペア:

[(1, 64719480), (2, 32359740), (3, 21573160), (4, 16179870), (5, 12943896), (6, 10786580), (7, 9245640), (8, 8089935), (10, 6471948), (12, 5393290), (14, 4622820), (15, 4314632), (20, 3235974), (21, 3081880), (24, 2696645), (28, 2311410), (30, 2157316), (35, 1849128), (40, 1617987), (42, 1540940), (56, 1155705), (60, 1078658), (70, 924564), (84, 770470), (105, 616376), (120, 539329), (140, 462282), (168, 385235), (210, 308188), (280, 231141), (420, 154094), (840, 77047)]