7540380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 23102352

約数和(自身を除く): 15561972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 257, 326, 489, 514, 652, 771, 815, 978, 1028, 1285, 1467, 1542, 1630, 1956, 2313, 2445, 2570, 2934, 3084, 3260, 3855, 4626, 4890, 5140, 5868, 7335, 7710, 9252, 9780, 11565, 14670, 15420, 23130, 29340, 41891, 46260, 83782, 125673, 167564, 209455, 251346, 377019, 418910, 502692, 628365, 754038, 837820, 1256730, 1508076, 1885095, 2513460, 3770190, 7540380]

約数ペア:

[(1, 7540380), (2, 3770190), (3, 2513460), (4, 1885095), (5, 1508076), (6, 1256730), (9, 837820), (10, 754038), (12, 628365), (15, 502692), (18, 418910), (20, 377019), (30, 251346), (36, 209455), (45, 167564), (60, 125673), (90, 83782), (163, 46260), (180, 41891), (257, 29340), (326, 23130), (489, 15420), (514, 14670), (652, 11565), (771, 9780), (815, 9252), (978, 7710), (1028, 7335), (1285, 5868), (1467, 5140), (1542, 4890), (1630, 4626), (1956, 3855), (2313, 3260), (2445, 3084), (2570, 2934)]