131169420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2689}}^1$

素因数の和:2975

約数の個数: 72

約数和(自身を含む): 399497280

約数和(自身を除く): 268327860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1626, 2439, 2689, 2710, 3252, 4065, 4878, 5378, 5420, 8067, 8130, 9756, 10756, 12195, 13445, 16134, 16260, 24201, 24390, 26890, 32268, 40335, 48402, 48780, 53780, 80670, 96804, 121005, 161340, 242010, 484020, 728719, 1457438, 2186157, 2914876, 3643595, 4372314, 6558471, 7287190, 8744628, 10930785, 13116942, 14574380, 21861570, 26233884, 32792355, 43723140, 65584710, 131169420]

約数ペア:

[(1, 131169420), (2, 65584710), (3, 43723140), (4, 32792355), (5, 26233884), (6, 21861570), (9, 14574380), (10, 13116942), (12, 10930785), (15, 8744628), (18, 7287190), (20, 6558471), (30, 4372314), (36, 3643595), (45, 2914876), (60, 2186157), (90, 1457438), (180, 728719), (271, 484020), (542, 242010), (813, 161340), (1084, 121005), (1355, 96804), (1626, 80670), (2439, 53780), (2689, 48780), (2710, 48402), (3252, 40335), (4065, 32268), (4878, 26890), (5378, 24390), (5420, 24201), (8067, 16260), (8130, 16134), (9756, 13445), (10756, 12195)]