28496760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 92404800

約数和(自身を除く): 63908040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 170, 183, 204, 229, 244, 255, 305, 340, 366, 408, 458, 488, 510, 610, 680, 687, 732, 915, 916, 1020, 1037, 1145, 1220, 1374, 1464, 1830, 1832, 2040, 2074, 2290, 2440, 2748, 3111, 3435, 3660, 3893, 4148, 4580, 5185, 5496, 6222, 6870, 7320, 7786, 8296, 9160, 10370, 11679, 12444, 13740, 13969, 15555, 15572, 19465, 20740, 23358, 24888, 27480, 27938, 31110, 31144, 38930, 41480, 41907, 46716, 55876, 58395, 62220, 69845, 77860, 83814, 93432, 111752, 116790, 124440, 139690, 155720, 167628, 209535, 233580, 237473, 279380, 335256, 419070, 467160, 474946, 558760, 712419, 838140, 949892, 1187365, 1424838, 1676280, 1899784, 2374730, 2849676, 3562095, 4749460, 5699352, 7124190, 9498920, 14248380, 28496760]

約数ペア:

[(1, 28496760), (2, 14248380), (3, 9498920), (4, 7124190), (5, 5699352), (6, 4749460), (8, 3562095), (10, 2849676), (12, 2374730), (15, 1899784), (17, 1676280), (20, 1424838), (24, 1187365), (30, 949892), (34, 838140), (40, 712419), (51, 558760), (60, 474946), (61, 467160), (68, 419070), (85, 335256), (102, 279380), (120, 237473), (122, 233580), (136, 209535), (170, 167628), (183, 155720), (204, 139690), (229, 124440), (244, 116790), (255, 111752), (305, 93432), (340, 83814), (366, 77860), (408, 69845), (458, 62220), (488, 58395), (510, 55876), (610, 46716), (680, 41907), (687, 41480), (732, 38930), (915, 31144), (916, 31110), (1020, 27938), (1037, 27480), (1145, 24888), (1220, 23358), (1374, 20740), (1464, 19465), (1830, 15572), (1832, 15555), (2040, 13969), (2074, 13740), (2290, 12444), (2440, 11679), (2748, 10370), (3111, 9160), (3435, 8296), (3660, 7786), (3893, 7320), (4148, 6870), (4580, 6222), (5185, 5496)]