30654520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 74934720

約数和(自身を除く): 44280200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 353, 520, 668, 706, 835, 1336, 1412, 1670, 1765, 2171, 2824, 3340, 3530, 4342, 4589, 6680, 7060, 8684, 9178, 10855, 14120, 17368, 18356, 21710, 22945, 36712, 43420, 45890, 58951, 86840, 91780, 117902, 183560, 235804, 294755, 471608, 589510, 766363, 1179020, 1532726, 2358040, 3065452, 3831815, 6130904, 7663630, 15327260, 30654520]

約数ペア:

[(1, 30654520), (2, 15327260), (4, 7663630), (5, 6130904), (8, 3831815), (10, 3065452), (13, 2358040), (20, 1532726), (26, 1179020), (40, 766363), (52, 589510), (65, 471608), (104, 294755), (130, 235804), (167, 183560), (260, 117902), (334, 91780), (353, 86840), (520, 58951), (668, 45890), (706, 43420), (835, 36712), (1336, 22945), (1412, 21710), (1670, 18356), (1765, 17368), (2171, 14120), (2824, 10855), (3340, 9178), (3530, 8684), (4342, 7060), (4589, 6680)]