128226420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{683}}^1$

素因数の和:854

約数の個数: 144

約数和(自身を含む): 448156800

約数和(自身を除く): 319930380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 298, 315, 420, 447, 596, 630, 683, 745, 894, 1043, 1260, 1341, 1366, 1490, 1788, 2049, 2086, 2235, 2682, 2732, 2980, 3129, 3415, 4098, 4172, 4470, 4781, 5215, 5364, 6147, 6258, 6705, 6830, 8196, 8940, 9387, 9562, 10245, 10430, 12294, 12516, 13410, 13660, 14343, 15645, 18774, 19124, 20490, 20860, 23905, 24588, 26820, 28686, 30735, 31290, 37548, 40980, 43029, 46935, 47810, 57372, 61470, 62580, 71715, 86058, 93870, 95620, 101767, 122940, 143430, 172116, 187740, 203534, 215145, 286860, 305301, 407068, 430290, 508835, 610602, 712369, 860580, 915903, 1017670, 1221204, 1424738, 1526505, 1831806, 2035340, 2137107, 2849476, 3053010, 3561845, 3663612, 4274214, 4579515, 6106020, 6411321, 7123690, 8548428, 9159030, 10685535, 12822642, 14247380, 18318060, 21371070, 25645284, 32056605, 42742140, 64113210, 128226420]

約数ペア:

[(1, 128226420), (2, 64113210), (3, 42742140), (4, 32056605), (5, 25645284), (6, 21371070), (7, 18318060), (9, 14247380), (10, 12822642), (12, 10685535), (14, 9159030), (15, 8548428), (18, 7123690), (20, 6411321), (21, 6106020), (28, 4579515), (30, 4274214), (35, 3663612), (36, 3561845), (42, 3053010), (45, 2849476), (60, 2137107), (63, 2035340), (70, 1831806), (84, 1526505), (90, 1424738), (105, 1221204), (126, 1017670), (140, 915903), (149, 860580), (180, 712369), (210, 610602), (252, 508835), (298, 430290), (315, 407068), (420, 305301), (447, 286860), (596, 215145), (630, 203534), (683, 187740), (745, 172116), (894, 143430), (1043, 122940), (1260, 101767), (1341, 95620), (1366, 93870), (1490, 86058), (1788, 71715), (2049, 62580), (2086, 61470), (2235, 57372), (2682, 47810), (2732, 46935), (2980, 43029), (3129, 40980), (3415, 37548), (4098, 31290), (4172, 30735), (4470, 28686), (4781, 26820), (5215, 24588), (5364, 23905), (6147, 20860), (6258, 20490), (6705, 19124), (6830, 18774), (8196, 15645), (8940, 14343), (9387, 13660), (9562, 13410), (10245, 12516), (10430, 12294)]