70887880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 183024000

約数和(自身を除く): 112136120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 619, 818, 1238, 1636, 2045, 2476, 2863, 3095, 3272, 4090, 4333, 4952, 5726, 6190, 8180, 8666, 11452, 12380, 14315, 16360, 17332, 21665, 22904, 24760, 28630, 34664, 43330, 57260, 86660, 114520, 173320, 253171, 506342, 1012684, 1265855, 1772197, 2025368, 2531710, 3544394, 5063420, 7088788, 8860985, 10126840, 14177576, 17721970, 35443940, 70887880]

約数ペア:

[(1, 70887880), (2, 35443940), (4, 17721970), (5, 14177576), (7, 10126840), (8, 8860985), (10, 7088788), (14, 5063420), (20, 3544394), (28, 2531710), (35, 2025368), (40, 1772197), (56, 1265855), (70, 1012684), (140, 506342), (280, 253171), (409, 173320), (619, 114520), (818, 86660), (1238, 57260), (1636, 43330), (2045, 34664), (2476, 28630), (2863, 24760), (3095, 22904), (3272, 21665), (4090, 17332), (4333, 16360), (4952, 14315), (5726, 12380), (6190, 11452), (8180, 8666)]