87831660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209123}}^1$

素因数の和:209142

約数の個数: 48

約数和(自身を含む): 281062656

約数和(自身を除く): 193230996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 209123, 418246, 627369, 836492, 1045615, 1254738, 1463861, 2091230, 2509476, 2927722, 3136845, 4182460, 4391583, 5855444, 6273690, 7319305, 8783166, 12547380, 14638610, 17566332, 21957915, 29277220, 43915830, 87831660]

約数ペア:

[(1, 87831660), (2, 43915830), (3, 29277220), (4, 21957915), (5, 17566332), (6, 14638610), (7, 12547380), (10, 8783166), (12, 7319305), (14, 6273690), (15, 5855444), (20, 4391583), (21, 4182460), (28, 3136845), (30, 2927722), (35, 2509476), (42, 2091230), (60, 1463861), (70, 1254738), (84, 1045615), (105, 836492), (140, 627369), (210, 418246), (420, 209123)]