140720490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{173729}}^1$

素因数の和:173748

約数の個数: 40

約数和(自身を含む): 378383940

約数和(自身を除く): 237663450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 173729, 347458, 521187, 868645, 1042374, 1563561, 1737290, 2605935, 3127122, 4690683, 5211870, 7817805, 9381366, 14072049, 15635610, 23453415, 28144098, 46906830, 70360245, 140720490]

約数ペア:

[(1, 140720490), (2, 70360245), (3, 46906830), (5, 28144098), (6, 23453415), (9, 15635610), (10, 14072049), (15, 9381366), (18, 7817805), (27, 5211870), (30, 4690683), (45, 3127122), (54, 2605935), (81, 1737290), (90, 1563561), (135, 1042374), (162, 868645), (270, 521187), (405, 347458), (810, 173729)]