7831980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3347}}^1$

素因数の和:3375

約数の個数: 72

約数和(自身を含む): 25592112

約数和(自身を除く): 17760132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 3347, 6694, 10041, 13388, 16735, 20082, 30123, 33470, 40164, 43511, 50205, 60246, 66940, 87022, 100410, 120492, 130533, 150615, 174044, 200820, 217555, 261066, 301230, 391599, 435110, 522132, 602460, 652665, 783198, 870220, 1305330, 1566396, 1957995, 2610660, 3915990, 7831980]

約数ペア:

[(1, 7831980), (2, 3915990), (3, 2610660), (4, 1957995), (5, 1566396), (6, 1305330), (9, 870220), (10, 783198), (12, 652665), (13, 602460), (15, 522132), (18, 435110), (20, 391599), (26, 301230), (30, 261066), (36, 217555), (39, 200820), (45, 174044), (52, 150615), (60, 130533), (65, 120492), (78, 100410), (90, 87022), (117, 66940), (130, 60246), (156, 50205), (180, 43511), (195, 40164), (234, 33470), (260, 30123), (390, 20082), (468, 16735), (585, 13388), (780, 10041), (1170, 6694), (2340, 3347)]