64902320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5039}}^1$

素因数の和:5082

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 115086160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5039, 6440, 10078, 12880, 20156, 25195, 35273, 40312, 50390, 70546, 80624, 100780, 115897, 141092, 176365, 201560, 231794, 282184, 352730, 403120, 463588, 564368, 579485, 705460, 811279, 927176, 1158970, 1410920, 1622558, 1854352, 2317940, 2821840, 3245116, 4056395, 4635880, 6490232, 8112790, 9271760, 12980464, 16225580, 32451160, 64902320]

約数ペア:

[(1, 64902320), (2, 32451160), (4, 16225580), (5, 12980464), (7, 9271760), (8, 8112790), (10, 6490232), (14, 4635880), (16, 4056395), (20, 3245116), (23, 2821840), (28, 2317940), (35, 1854352), (40, 1622558), (46, 1410920), (56, 1158970), (70, 927176), (80, 811279), (92, 705460), (112, 579485), (115, 564368), (140, 463588), (161, 403120), (184, 352730), (230, 282184), (280, 231794), (322, 201560), (368, 176365), (460, 141092), (560, 115897), (644, 100780), (805, 80624), (920, 70546), (1288, 50390), (1610, 40312), (1840, 35273), (2576, 25195), (3220, 20156), (5039, 12880), (6440, 10078)]