825429720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{461}}^1$

素因数の和:865

約数の個数: 128

約数和(自身を含む): 2546691840

約数和(自身を除く): 1721262120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 347, 430, 461, 516, 645, 694, 860, 922, 1032, 1041, 1290, 1383, 1388, 1720, 1735, 1844, 2082, 2305, 2580, 2766, 2776, 3470, 3688, 4164, 4610, 5160, 5205, 5532, 6915, 6940, 8328, 9220, 10410, 11064, 13830, 13880, 14921, 18440, 19823, 20820, 27660, 29842, 39646, 41640, 44763, 55320, 59469, 59684, 74605, 79292, 89526, 99115, 118938, 119368, 149210, 158584, 159967, 179052, 198230, 223815, 237876, 297345, 298420, 319934, 358104, 396460, 447630, 475752, 479901, 594690, 596840, 639868, 792920, 799835, 895260, 959802, 1189380, 1279736, 1599670, 1790520, 1919604, 2378760, 2399505, 3199340, 3839208, 4799010, 6398680, 6878581, 9598020, 13757162, 19196040, 20635743, 27514324, 34392905, 41271486, 55028648, 68785810, 82542972, 103178715, 137571620, 165085944, 206357430, 275143240, 412714860, 825429720]

約数ペア:

[(1, 825429720), (2, 412714860), (3, 275143240), (4, 206357430), (5, 165085944), (6, 137571620), (8, 103178715), (10, 82542972), (12, 68785810), (15, 55028648), (20, 41271486), (24, 34392905), (30, 27514324), (40, 20635743), (43, 19196040), (60, 13757162), (86, 9598020), (120, 6878581), (129, 6398680), (172, 4799010), (215, 3839208), (258, 3199340), (344, 2399505), (347, 2378760), (430, 1919604), (461, 1790520), (516, 1599670), (645, 1279736), (694, 1189380), (860, 959802), (922, 895260), (1032, 799835), (1041, 792920), (1290, 639868), (1383, 596840), (1388, 594690), (1720, 479901), (1735, 475752), (1844, 447630), (2082, 396460), (2305, 358104), (2580, 319934), (2766, 298420), (2776, 297345), (3470, 237876), (3688, 223815), (4164, 198230), (4610, 179052), (5160, 159967), (5205, 158584), (5532, 149210), (6915, 119368), (6940, 118938), (8328, 99115), (9220, 89526), (10410, 79292), (11064, 74605), (13830, 59684), (13880, 59469), (14921, 55320), (18440, 44763), (19823, 41640), (20820, 39646), (27660, 29842)]