29251980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1175

約数の個数: 72

約数和(自身を含む): 89364912

約数和(自身を除く): 60112932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 997, 1467, 1630, 1956, 1994, 2445, 2934, 2991, 3260, 3988, 4890, 4985, 5868, 5982, 7335, 8973, 9780, 9970, 11964, 14670, 14955, 17946, 19940, 29340, 29910, 35892, 44865, 59820, 89730, 162511, 179460, 325022, 487533, 650044, 812555, 975066, 1462599, 1625110, 1950132, 2437665, 2925198, 3250220, 4875330, 5850396, 7312995, 9750660, 14625990, 29251980]

約数ペア:

[(1, 29251980), (2, 14625990), (3, 9750660), (4, 7312995), (5, 5850396), (6, 4875330), (9, 3250220), (10, 2925198), (12, 2437665), (15, 1950132), (18, 1625110), (20, 1462599), (30, 975066), (36, 812555), (45, 650044), (60, 487533), (90, 325022), (163, 179460), (180, 162511), (326, 89730), (489, 59820), (652, 44865), (815, 35892), (978, 29910), (997, 29340), (1467, 19940), (1630, 17946), (1956, 14955), (1994, 14670), (2445, 11964), (2934, 9970), (2991, 9780), (3260, 8973), (3988, 7335), (4890, 5982), (4985, 5868)]