30261780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:1993

約数の個数: 72

約数和(自身を含む): 92874600

約数和(自身を除く): 62612820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 1889, 2670, 3204, 3778, 4005, 5340, 5667, 7556, 8010, 9445, 11334, 16020, 17001, 18890, 22668, 28335, 34002, 37780, 56670, 68004, 85005, 113340, 168121, 170010, 336242, 340020, 504363, 672484, 840605, 1008726, 1513089, 1681210, 2017452, 2521815, 3026178, 3362420, 5043630, 6052356, 7565445, 10087260, 15130890, 30261780]

約数ペア:

[(1, 30261780), (2, 15130890), (3, 10087260), (4, 7565445), (5, 6052356), (6, 5043630), (9, 3362420), (10, 3026178), (12, 2521815), (15, 2017452), (18, 1681210), (20, 1513089), (30, 1008726), (36, 840605), (45, 672484), (60, 504363), (89, 340020), (90, 336242), (178, 170010), (180, 168121), (267, 113340), (356, 85005), (445, 68004), (534, 56670), (801, 37780), (890, 34002), (1068, 28335), (1335, 22668), (1602, 18890), (1780, 17001), (1889, 16020), (2670, 11334), (3204, 9445), (3778, 8010), (4005, 7556), (5340, 5667)]