381420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 1253616

約数和(自身を除く): 872196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 163, 180, 195, 234, 260, 326, 390, 468, 489, 585, 652, 780, 815, 978, 1170, 1467, 1630, 1956, 2119, 2340, 2445, 2934, 3260, 4238, 4890, 5868, 6357, 7335, 8476, 9780, 10595, 12714, 14670, 19071, 21190, 25428, 29340, 31785, 38142, 42380, 63570, 76284, 95355, 127140, 190710, 381420]

約数ペア:

[(1, 381420), (2, 190710), (3, 127140), (4, 95355), (5, 76284), (6, 63570), (9, 42380), (10, 38142), (12, 31785), (13, 29340), (15, 25428), (18, 21190), (20, 19071), (26, 14670), (30, 12714), (36, 10595), (39, 9780), (45, 8476), (52, 7335), (60, 6357), (65, 5868), (78, 4890), (90, 4238), (117, 3260), (130, 2934), (156, 2445), (163, 2340), (180, 2119), (195, 1956), (234, 1630), (260, 1467), (326, 1170), (390, 978), (468, 815), (489, 780), (585, 652)]