15207790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 16725650

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 47, 65, 94, 95, 130, 131, 190, 235, 247, 262, 470, 494, 611, 655, 893, 1222, 1235, 1310, 1703, 1786, 2470, 2489, 3055, 3406, 4465, 4978, 6110, 6157, 8515, 8930, 11609, 12314, 12445, 17030, 23218, 24890, 30785, 32357, 58045, 61570, 64714, 80041, 116090, 116983, 160082, 161785, 233966, 323570, 400205, 584915, 800410, 1169830, 1520779, 3041558, 7603895, 15207790]

約数ペア:

[(1, 15207790), (2, 7603895), (5, 3041558), (10, 1520779), (13, 1169830), (19, 800410), (26, 584915), (38, 400205), (47, 323570), (65, 233966), (94, 161785), (95, 160082), (130, 116983), (131, 116090), (190, 80041), (235, 64714), (247, 61570), (262, 58045), (470, 32357), (494, 30785), (611, 24890), (655, 23218), (893, 17030), (1222, 12445), (1235, 12314), (1310, 11609), (1703, 8930), (1786, 8515), (2470, 6157), (2489, 6110), (3055, 4978), (3406, 4465)]