61609380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^2$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 197666112

約数和(自身を除く): 136056732

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, 383, 420, 766, 1149, 1532, 1915, 2298, 2681, 3830, 4596, 5362, 5745, 7660, 8043, 10724, 11490, 13405, 16086, 22980, 26810, 32172, 40215, 53620, 80430, 146689, 160860, 293378, 440067, 586756, 733445, 880134, 1026823, 1466890, 1760268, 2053646, 2200335, 2933780, 3080469, 4107292, 4400670, 5134115, 6160938, 8801340, 10268230, 12321876, 15402345, 20536460, 30804690, 61609380]

約数ペア:

[(1, 61609380), (2, 30804690), (3, 20536460), (4, 15402345), (5, 12321876), (6, 10268230), (7, 8801340), (10, 6160938), (12, 5134115), (14, 4400670), (15, 4107292), (20, 3080469), (21, 2933780), (28, 2200335), (30, 2053646), (35, 1760268), (42, 1466890), (60, 1026823), (70, 880134), (84, 733445), (105, 586756), (140, 440067), (210, 293378), (383, 160860), (420, 146689), (766, 80430), (1149, 53620), (1532, 40215), (1915, 32172), (2298, 26810), (2681, 22980), (3830, 16086), (4596, 13405), (5362, 11490), (5745, 10724), (7660, 8043)]