636675880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{16879}}^1$

素因数の和:16954

約数の個数: 64

約数和(自身を含む): 1531353600

約数和(自身を除く): 894677720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 3772, 4715, 7544, 9430, 16879, 18860, 33758, 37720, 67516, 84395, 135032, 168790, 337580, 388217, 675160, 692039, 776434, 1384078, 1552868, 1941085, 2768156, 3105736, 3460195, 3882170, 5536312, 6920390, 7764340, 13840780, 15528680, 15916897, 27681560, 31833794, 63667588, 79584485, 127335176, 159168970, 318337940, 636675880]

約数ペア:

[(1, 636675880), (2, 318337940), (4, 159168970), (5, 127335176), (8, 79584485), (10, 63667588), (20, 31833794), (23, 27681560), (40, 15916897), (41, 15528680), (46, 13840780), (82, 7764340), (92, 6920390), (115, 5536312), (164, 3882170), (184, 3460195), (205, 3105736), (230, 2768156), (328, 1941085), (410, 1552868), (460, 1384078), (820, 776434), (920, 692039), (943, 675160), (1640, 388217), (1886, 337580), (3772, 168790), (4715, 135032), (7544, 84395), (9430, 67516), (16879, 37720), (18860, 33758)]