71744920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 174817440

約数和(自身を除く): 103072520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 281, 491, 520, 562, 982, 1124, 1405, 1964, 2248, 2455, 2810, 3653, 3928, 4910, 5620, 6383, 7306, 9820, 11240, 12766, 14612, 18265, 19640, 25532, 29224, 31915, 36530, 51064, 63830, 73060, 127660, 137971, 146120, 255320, 275942, 551884, 689855, 1103768, 1379710, 1793623, 2759420, 3587246, 5518840, 7174492, 8968115, 14348984, 17936230, 35872460, 71744920]

約数ペア:

[(1, 71744920), (2, 35872460), (4, 17936230), (5, 14348984), (8, 8968115), (10, 7174492), (13, 5518840), (20, 3587246), (26, 2759420), (40, 1793623), (52, 1379710), (65, 1103768), (104, 689855), (130, 551884), (260, 275942), (281, 255320), (491, 146120), (520, 137971), (562, 127660), (982, 73060), (1124, 63830), (1405, 51064), (1964, 36530), (2248, 31915), (2455, 29224), (2810, 25532), (3653, 19640), (3928, 18265), (4910, 14612), (5620, 12766), (6383, 11240), (7306, 9820)]