128758416

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:780

約数の個数: 80

約数和(自身を含む): 349310976

約数和(自身を除く): 220552560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 223, 276, 368, 446, 523, 552, 669, 892, 1046, 1104, 1338, 1569, 1784, 2092, 2676, 3138, 3568, 4184, 5129, 5352, 6276, 8368, 10258, 10704, 12029, 12552, 15387, 20516, 24058, 25104, 30774, 36087, 41032, 48116, 61548, 72174, 82064, 96232, 116629, 123096, 144348, 192464, 233258, 246192, 288696, 349887, 466516, 577392, 699774, 933032, 1399548, 1866064, 2682467, 2799096, 5364934, 5598192, 8047401, 10729868, 16094802, 21459736, 32189604, 42919472, 64379208, 128758416]

約数ペア:

[(1, 128758416), (2, 64379208), (3, 42919472), (4, 32189604), (6, 21459736), (8, 16094802), (12, 10729868), (16, 8047401), (23, 5598192), (24, 5364934), (46, 2799096), (48, 2682467), (69, 1866064), (92, 1399548), (138, 933032), (184, 699774), (223, 577392), (276, 466516), (368, 349887), (446, 288696), (523, 246192), (552, 233258), (669, 192464), (892, 144348), (1046, 123096), (1104, 116629), (1338, 96232), (1569, 82064), (1784, 72174), (2092, 61548), (2676, 48116), (3138, 41032), (3568, 36087), (4184, 30774), (5129, 25104), (5352, 24058), (6276, 20516), (8368, 15387), (10258, 12552), (10704, 12029)]