1815677320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 4266924480

約数和(自身を除く): 2451247160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 467, 568, 710, 740, 934, 1369, 1420, 1480, 1868, 2335, 2627, 2738, 2840, 3736, 4670, 5254, 5476, 6845, 9340, 10508, 10952, 13135, 13690, 17279, 18680, 21016, 26270, 27380, 33157, 34558, 52540, 54760, 66314, 69116, 86395, 97199, 105080, 132628, 138232, 165785, 172790, 194398, 265256, 331570, 345580, 388796, 485995, 639323, 663140, 691160, 777592, 971990, 1226809, 1278646, 1326280, 1943980, 2453618, 2557292, 3196615, 3887960, 4907236, 5114584, 6134045, 6393230, 9814472, 12268090, 12786460, 24536180, 25572920, 45391933, 49072360, 90783866, 181567732, 226959665, 363135464, 453919330, 907838660, 1815677320]

約数ペア:

[(1, 1815677320), (2, 907838660), (4, 453919330), (5, 363135464), (8, 226959665), (10, 181567732), (20, 90783866), (37, 49072360), (40, 45391933), (71, 25572920), (74, 24536180), (142, 12786460), (148, 12268090), (185, 9814472), (284, 6393230), (296, 6134045), (355, 5114584), (370, 4907236), (467, 3887960), (568, 3196615), (710, 2557292), (740, 2453618), (934, 1943980), (1369, 1326280), (1420, 1278646), (1480, 1226809), (1868, 971990), (2335, 777592), (2627, 691160), (2738, 663140), (2840, 639323), (3736, 485995), (4670, 388796), (5254, 345580), (5476, 331570), (6845, 265256), (9340, 194398), (10508, 172790), (10952, 165785), (13135, 138232), (13690, 132628), (17279, 105080), (18680, 97199), (21016, 86395), (26270, 69116), (27380, 66314), (33157, 54760), (34558, 52540)]