61209960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{72869}}^1$

素因数の和:72890

約数の個数: 64

約数和(自身を含む): 209865600

約数和(自身を除く): 148655640

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, 72869, 145738, 218607, 291476, 364345, 437214, 510083, 582952, 728690, 874428, 1020166, 1093035, 1457380, 1530249, 1748856, 2040332, 2186070, 2550415, 2914760, 3060498, 4080664, 4372140, 5100830, 6120996, 7651245, 8744280, 10201660, 12241992, 15302490, 20403320, 30604980, 61209960]

約数ペア:

[(1, 61209960), (2, 30604980), (3, 20403320), (4, 15302490), (5, 12241992), (6, 10201660), (7, 8744280), (8, 7651245), (10, 6120996), (12, 5100830), (14, 4372140), (15, 4080664), (20, 3060498), (21, 2914760), (24, 2550415), (28, 2186070), (30, 2040332), (35, 1748856), (40, 1530249), (42, 1457380), (56, 1093035), (60, 1020166), (70, 874428), (84, 728690), (105, 582952), (120, 510083), (140, 437214), (168, 364345), (210, 291476), (280, 218607), (420, 145738), (840, 72869)]