78690560

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4729}}^1$

素因数の和:4763

約数の個数: 72

約数和(自身を含む): 203030520

約数和(自身を除く): 124339960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 4729, 8320, 9458, 16640, 18916, 23645, 37832, 47290, 61477, 75664, 94580, 122954, 151328, 189160, 245908, 302656, 307385, 378320, 491816, 605312, 614770, 756640, 983632, 1210624, 1229540, 1513280, 1967264, 2459080, 3026560, 3934528, 4918160, 6053120, 7869056, 9836320, 15738112, 19672640, 39345280, 78690560]

約数ペア:

[(1, 78690560), (2, 39345280), (4, 19672640), (5, 15738112), (8, 9836320), (10, 7869056), (13, 6053120), (16, 4918160), (20, 3934528), (26, 3026560), (32, 2459080), (40, 1967264), (52, 1513280), (64, 1229540), (65, 1210624), (80, 983632), (104, 756640), (128, 614770), (130, 605312), (160, 491816), (208, 378320), (256, 307385), (260, 302656), (320, 245908), (416, 189160), (520, 151328), (640, 122954), (832, 94580), (1040, 75664), (1280, 61477), (1664, 47290), (2080, 37832), (3328, 23645), (4160, 18916), (4729, 16640), (8320, 9458)]