81793320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97373}}^1$

素因数の和:97394

約数の個数: 64

約数和(自身を含む): 280437120

約数和(自身を除く): 198643800

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, 97373, 194746, 292119, 389492, 486865, 584238, 681611, 778984, 973730, 1168476, 1363222, 1460595, 1947460, 2044833, 2336952, 2726444, 2921190, 3408055, 3894920, 4089666, 5452888, 5842380, 6816110, 8179332, 10224165, 11684760, 13632220, 16358664, 20448330, 27264440, 40896660, 81793320]

約数ペア:

[(1, 81793320), (2, 40896660), (3, 27264440), (4, 20448330), (5, 16358664), (6, 13632220), (7, 11684760), (8, 10224165), (10, 8179332), (12, 6816110), (14, 5842380), (15, 5452888), (20, 4089666), (21, 3894920), (24, 3408055), (28, 2921190), (30, 2726444), (35, 2336952), (40, 2044833), (42, 1947460), (56, 1460595), (60, 1363222), (70, 1168476), (84, 973730), (105, 778984), (120, 681611), (140, 584238), (168, 486865), (210, 389492), (280, 292119), (420, 194746), (840, 97373)]