2141820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 6626256

約数和(自身を除く): 4484436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 163, 180, 219, 292, 326, 365, 438, 489, 652, 657, 730, 815, 876, 978, 1095, 1314, 1460, 1467, 1630, 1956, 2190, 2445, 2628, 2934, 3260, 3285, 4380, 4890, 5868, 6570, 7335, 9780, 11899, 13140, 14670, 23798, 29340, 35697, 47596, 59495, 71394, 107091, 118990, 142788, 178485, 214182, 237980, 356970, 428364, 535455, 713940, 1070910, 2141820]

約数ペア:

[(1, 2141820), (2, 1070910), (3, 713940), (4, 535455), (5, 428364), (6, 356970), (9, 237980), (10, 214182), (12, 178485), (15, 142788), (18, 118990), (20, 107091), (30, 71394), (36, 59495), (45, 47596), (60, 35697), (73, 29340), (90, 23798), (146, 14670), (163, 13140), (180, 11899), (219, 9780), (292, 7335), (326, 6570), (365, 5868), (438, 4890), (489, 4380), (652, 3285), (657, 3260), (730, 2934), (815, 2628), (876, 2445), (978, 2190), (1095, 1956), (1314, 1630), (1460, 1467)]