131310040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 323381520

約数和(自身を除く): 192071480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 289, 296, 307, 340, 370, 578, 614, 629, 680, 740, 1156, 1228, 1258, 1445, 1480, 1535, 2312, 2456, 2516, 2890, 3070, 3145, 5032, 5219, 5780, 6140, 6290, 10438, 10693, 11359, 11560, 12280, 12580, 20876, 21386, 22718, 25160, 26095, 41752, 42772, 45436, 52190, 53465, 56795, 85544, 88723, 90872, 104380, 106930, 113590, 177446, 193103, 208760, 213860, 227180, 354892, 386206, 427720, 443615, 454360, 709784, 772412, 887230, 965515, 1544824, 1774460, 1931030, 3282751, 3548920, 3862060, 6565502, 7724120, 13131004, 16413755, 26262008, 32827510, 65655020, 131310040]

約数ペア:

[(1, 131310040), (2, 65655020), (4, 32827510), (5, 26262008), (8, 16413755), (10, 13131004), (17, 7724120), (20, 6565502), (34, 3862060), (37, 3548920), (40, 3282751), (68, 1931030), (74, 1774460), (85, 1544824), (136, 965515), (148, 887230), (170, 772412), (185, 709784), (289, 454360), (296, 443615), (307, 427720), (340, 386206), (370, 354892), (578, 227180), (614, 213860), (629, 208760), (680, 193103), (740, 177446), (1156, 113590), (1228, 106930), (1258, 104380), (1445, 90872), (1480, 88723), (1535, 85544), (2312, 56795), (2456, 53465), (2516, 52190), (2890, 45436), (3070, 42772), (3145, 41752), (5032, 26095), (5219, 25160), (5780, 22718), (6140, 21386), (6290, 20876), (10438, 12580), (10693, 12280), (11359, 11560)]