251011320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{42689}}^1$

素因数の和:42717

約数の個数: 96

約数和(自身を含む): 875998800

約数和(自身を除く): 624987480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 42689, 85378, 128067, 170756, 213445, 256134, 298823, 341512, 426890, 512268, 597646, 640335, 853780, 896469, 1024536, 1195292, 1280670, 1494115, 1707560, 1792938, 2091761, 2390584, 2561340, 2988230, 3585876, 4183522, 4482345, 5122680, 5976460, 6275283, 7171752, 8367044, 8964690, 10458805, 11952920, 12550566, 16734088, 17929380, 20917610, 25101132, 31376415, 35858760, 41835220, 50202264, 62752830, 83670440, 125505660, 251011320]

約数ペア:

[(1, 251011320), (2, 125505660), (3, 83670440), (4, 62752830), (5, 50202264), (6, 41835220), (7, 35858760), (8, 31376415), (10, 25101132), (12, 20917610), (14, 17929380), (15, 16734088), (20, 12550566), (21, 11952920), (24, 10458805), (28, 8964690), (30, 8367044), (35, 7171752), (40, 6275283), (42, 5976460), (49, 5122680), (56, 4482345), (60, 4183522), (70, 3585876), (84, 2988230), (98, 2561340), (105, 2390584), (120, 2091761), (140, 1792938), (147, 1707560), (168, 1494115), (196, 1280670), (210, 1195292), (245, 1024536), (280, 896469), (294, 853780), (392, 640335), (420, 597646), (490, 512268), (588, 426890), (735, 341512), (840, 298823), (980, 256134), (1176, 213445), (1470, 170756), (1960, 128067), (2940, 85378), (5880, 42689)]