80479620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 265766592

約数和(自身を除く): 185286972

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, 211, 234, 260, 326, 390, 422, 468, 489, 585, 633, 652, 780, 815, 844, 978, 1055, 1170, 1266, 1467, 1630, 1899, 1956, 2110, 2119, 2340, 2445, 2532, 2743, 2934, 3165, 3260, 3798, 4220, 4238, 4890, 5486, 5868, 6330, 6357, 7335, 7596, 8229, 8476, 9495, 9780, 10595, 10972, 12660, 12714, 13715, 14670, 16458, 18990, 19071, 21190, 24687, 25428, 27430, 29340, 31785, 32916, 34393, 37980, 38142, 41145, 42380, 49374, 54860, 63570, 68786, 76284, 82290, 95355, 98748, 103179, 123435, 127140, 137572, 164580, 171965, 190710, 206358, 246870, 309537, 343930, 381420, 412716, 447109, 493740, 515895, 619074, 687860, 894218, 1031790, 1238148, 1341327, 1547685, 1788436, 2063580, 2235545, 2682654, 3095370, 4023981, 4471090, 5365308, 6190740, 6706635, 8047962, 8942180, 13413270, 16095924, 20119905, 26826540, 40239810, 80479620]

約数ペア:

[(1, 80479620), (2, 40239810), (3, 26826540), (4, 20119905), (5, 16095924), (6, 13413270), (9, 8942180), (10, 8047962), (12, 6706635), (13, 6190740), (15, 5365308), (18, 4471090), (20, 4023981), (26, 3095370), (30, 2682654), (36, 2235545), (39, 2063580), (45, 1788436), (52, 1547685), (60, 1341327), (65, 1238148), (78, 1031790), (90, 894218), (117, 687860), (130, 619074), (156, 515895), (163, 493740), (180, 447109), (195, 412716), (211, 381420), (234, 343930), (260, 309537), (326, 246870), (390, 206358), (422, 190710), (468, 171965), (489, 164580), (585, 137572), (633, 127140), (652, 123435), (780, 103179), (815, 98748), (844, 95355), (978, 82290), (1055, 76284), (1170, 68786), (1266, 63570), (1467, 54860), (1630, 49374), (1899, 42380), (1956, 41145), (2110, 38142), (2119, 37980), (2340, 34393), (2445, 32916), (2532, 31785), (2743, 29340), (2934, 27430), (3165, 25428), (3260, 24687), (3798, 21190), (4220, 19071), (4238, 18990), (4890, 16458), (5486, 14670), (5868, 13715), (6330, 12714), (6357, 12660), (7335, 10972), (7596, 10595), (8229, 9780), (8476, 9495)]