42745140

素因数分解:

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

素因数の和:322

約数の個数: 144

約数和(自身を含む): 140147280

約数和(自身を除く): 97402140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 153, 170, 180, 183, 204, 229, 244, 255, 305, 306, 340, 366, 458, 510, 549, 610, 612, 687, 732, 765, 915, 916, 1020, 1037, 1098, 1145, 1220, 1374, 1530, 1830, 2061, 2074, 2196, 2290, 2745, 2748, 3060, 3111, 3435, 3660, 3893, 4122, 4148, 4580, 5185, 5490, 6222, 6870, 7786, 8244, 9333, 10305, 10370, 10980, 11679, 12444, 13740, 13969, 15555, 15572, 18666, 19465, 20610, 20740, 23358, 27938, 31110, 35037, 37332, 38930, 41220, 41907, 46665, 46716, 55876, 58395, 62220, 69845, 70074, 77860, 83814, 93330, 116790, 125721, 139690, 140148, 167628, 175185, 186660, 209535, 233580, 237473, 251442, 279380, 350370, 419070, 474946, 502884, 628605, 700740, 712419, 838140, 949892, 1187365, 1257210, 1424838, 2137257, 2374730, 2514420, 2849676, 3562095, 4274514, 4749460, 7124190, 8549028, 10686285, 14248380, 21372570, 42745140]

約数ペア:

[(1, 42745140), (2, 21372570), (3, 14248380), (4, 10686285), (5, 8549028), (6, 7124190), (9, 4749460), (10, 4274514), (12, 3562095), (15, 2849676), (17, 2514420), (18, 2374730), (20, 2137257), (30, 1424838), (34, 1257210), (36, 1187365), (45, 949892), (51, 838140), (60, 712419), (61, 700740), (68, 628605), (85, 502884), (90, 474946), (102, 419070), (122, 350370), (153, 279380), (170, 251442), (180, 237473), (183, 233580), (204, 209535), (229, 186660), (244, 175185), (255, 167628), (305, 140148), (306, 139690), (340, 125721), (366, 116790), (458, 93330), (510, 83814), (549, 77860), (610, 70074), (612, 69845), (687, 62220), (732, 58395), (765, 55876), (915, 46716), (916, 46665), (1020, 41907), (1037, 41220), (1098, 38930), (1145, 37332), (1220, 35037), (1374, 31110), (1530, 27938), (1830, 23358), (2061, 20740), (2074, 20610), (2196, 19465), (2290, 18666), (2745, 15572), (2748, 15555), (3060, 13969), (3111, 13740), (3435, 12444), (3660, 11679), (3893, 10980), (4122, 10370), (4148, 10305), (4580, 9333), (5185, 8244), (5490, 7786), (6222, 6870)]