2728740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 8951040

約数和(自身を除く): 6222300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 89, 105, 140, 146, 178, 210, 219, 267, 292, 356, 365, 420, 438, 445, 511, 534, 623, 730, 876, 890, 1022, 1068, 1095, 1246, 1335, 1460, 1533, 1780, 1869, 2044, 2190, 2492, 2555, 2670, 3066, 3115, 3738, 4380, 5110, 5340, 6132, 6230, 6497, 7476, 7665, 9345, 10220, 12460, 12994, 15330, 18690, 19491, 25988, 30660, 32485, 37380, 38982, 45479, 64970, 77964, 90958, 97455, 129940, 136437, 181916, 194910, 227395, 272874, 389820, 454790, 545748, 682185, 909580, 1364370, 2728740]

約数ペア:

[(1, 2728740), (2, 1364370), (3, 909580), (4, 682185), (5, 545748), (6, 454790), (7, 389820), (10, 272874), (12, 227395), (14, 194910), (15, 181916), (20, 136437), (21, 129940), (28, 97455), (30, 90958), (35, 77964), (42, 64970), (60, 45479), (70, 38982), (73, 37380), (84, 32485), (89, 30660), (105, 25988), (140, 19491), (146, 18690), (178, 15330), (210, 12994), (219, 12460), (267, 10220), (292, 9345), (356, 7665), (365, 7476), (420, 6497), (438, 6230), (445, 6132), (511, 5340), (534, 5110), (623, 4380), (730, 3738), (876, 3115), (890, 3066), (1022, 2670), (1068, 2555), (1095, 2492), (1246, 2190), (1335, 2044), (1460, 1869), (1533, 1780)]