87390420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 265399680

約数和(自身を除く): 178009260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 181, 195, 260, 362, 390, 543, 619, 724, 780, 905, 1086, 1238, 1810, 1857, 2172, 2353, 2476, 2715, 3095, 3620, 3714, 4706, 5430, 6190, 7059, 7428, 8047, 9285, 9412, 10860, 11765, 12380, 14118, 16094, 18570, 23530, 24141, 28236, 32188, 35295, 37140, 40235, 47060, 48282, 70590, 80470, 96564, 112039, 120705, 141180, 160940, 224078, 241410, 336117, 448156, 482820, 560195, 672234, 1120390, 1344468, 1456507, 1680585, 2240780, 2913014, 3361170, 4369521, 5826028, 6722340, 7282535, 8739042, 14565070, 17478084, 21847605, 29130140, 43695210, 87390420]

約数ペア:

[(1, 87390420), (2, 43695210), (3, 29130140), (4, 21847605), (5, 17478084), (6, 14565070), (10, 8739042), (12, 7282535), (13, 6722340), (15, 5826028), (20, 4369521), (26, 3361170), (30, 2913014), (39, 2240780), (52, 1680585), (60, 1456507), (65, 1344468), (78, 1120390), (130, 672234), (156, 560195), (181, 482820), (195, 448156), (260, 336117), (362, 241410), (390, 224078), (543, 160940), (619, 141180), (724, 120705), (780, 112039), (905, 96564), (1086, 80470), (1238, 70590), (1810, 48282), (1857, 47060), (2172, 40235), (2353, 37140), (2476, 35295), (2715, 32188), (3095, 28236), (3620, 24141), (3714, 23530), (4706, 18570), (5430, 16094), (6190, 14118), (7059, 12380), (7428, 11765), (8047, 10860), (9285, 9412)]