81835320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97423}}^1$

素因数の和:97444

約数の個数: 64

約数和(自身を含む): 280581120

約数和(自身を除く): 198745800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 97423, 194846, 292269, 389692, 487115, 584538, 681961, 779384, 974230, 1169076, 1363922, 1461345, 1948460, 2045883, 2338152, 2727844, 2922690, 3409805, 3896920, 4091766, 5455688, 5845380, 6819610, 8183532, 10229415, 11690760, 13639220, 16367064, 20458830, 27278440, 40917660, 81835320]

約数ペア:

[(1, 81835320), (2, 40917660), (3, 27278440), (4, 20458830), (5, 16367064), (6, 13639220), (7, 11690760), (8, 10229415), (10, 8183532), (12, 6819610), (14, 5845380), (15, 5455688), (20, 4091766), (21, 3896920), (24, 3409805), (28, 2922690), (30, 2727844), (35, 2338152), (40, 2045883), (42, 1948460), (56, 1461345), (60, 1363922), (70, 1169076), (84, 974230), (105, 779384), (120, 681961), (140, 584538), (168, 487115), (210, 389692), (280, 292269), (420, 194846), (840, 97423)]