18398520

素因数分解:

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

素因数の和:187

約数の個数: 192

約数和(自身を含む): 70200000

約数和(自身を除く): 51801480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 149, 168, 180, 196, 210, 245, 252, 280, 294, 298, 315, 343, 360, 392, 420, 441, 447, 490, 504, 588, 596, 630, 686, 735, 745, 840, 882, 894, 980, 1029, 1043, 1176, 1192, 1260, 1341, 1372, 1470, 1490, 1715, 1764, 1788, 1960, 2058, 2086, 2205, 2235, 2520, 2682, 2744, 2940, 2980, 3087, 3129, 3430, 3528, 3576, 4116, 4172, 4410, 4470, 5145, 5215, 5364, 5880, 5960, 6174, 6258, 6705, 6860, 7301, 8232, 8344, 8820, 8940, 9387, 10290, 10430, 10728, 12348, 12516, 13410, 13720, 14602, 15435, 15645, 17640, 17880, 18774, 20580, 20860, 21903, 24696, 25032, 26820, 29204, 30870, 31290, 36505, 37548, 41160, 41720, 43806, 46935, 51107, 53640, 58408, 61740, 62580, 65709, 73010, 75096, 87612, 93870, 102214, 109515, 123480, 125160, 131418, 146020, 153321, 175224, 187740, 204428, 219030, 255535, 262836, 292040, 306642, 328545, 375480, 408856, 438060, 459963, 511070, 525672, 613284, 657090, 766605, 876120, 919926, 1022140, 1226568, 1314180, 1533210, 1839852, 2044280, 2299815, 2628360, 3066420, 3679704, 4599630, 6132840, 9199260, 18398520]

約数ペア:

[(1, 18398520), (2, 9199260), (3, 6132840), (4, 4599630), (5, 3679704), (6, 3066420), (7, 2628360), (8, 2299815), (9, 2044280), (10, 1839852), (12, 1533210), (14, 1314180), (15, 1226568), (18, 1022140), (20, 919926), (21, 876120), (24, 766605), (28, 657090), (30, 613284), (35, 525672), (36, 511070), (40, 459963), (42, 438060), (45, 408856), (49, 375480), (56, 328545), (60, 306642), (63, 292040), (70, 262836), (72, 255535), (84, 219030), (90, 204428), (98, 187740), (105, 175224), (120, 153321), (126, 146020), (140, 131418), (147, 125160), (149, 123480), (168, 109515), (180, 102214), (196, 93870), (210, 87612), (245, 75096), (252, 73010), (280, 65709), (294, 62580), (298, 61740), (315, 58408), (343, 53640), (360, 51107), (392, 46935), (420, 43806), (441, 41720), (447, 41160), (490, 37548), (504, 36505), (588, 31290), (596, 30870), (630, 29204), (686, 26820), (735, 25032), (745, 24696), (840, 21903), (882, 20860), (894, 20580), (980, 18774), (1029, 17880), (1043, 17640), (1176, 15645), (1192, 15435), (1260, 14602), (1341, 13720), (1372, 13410), (1470, 12516), (1490, 12348), (1715, 10728), (1764, 10430), (1788, 10290), (1960, 9387), (2058, 8940), (2086, 8820), (2205, 8344), (2235, 8232), (2520, 7301), (2682, 6860), (2744, 6705), (2940, 6258), (2980, 6174), (3087, 5960), (3129, 5880), (3430, 5364), (3528, 5215), (3576, 5145), (4116, 4470), (4172, 4410)]