128235420

素因数分解:

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

素因数の和:325

約数の個数: 192

約数和(自身を含む): 431222400

約数和(自身を除く): 302986980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 61, 68, 85, 90, 102, 108, 122, 135, 153, 170, 180, 183, 204, 229, 244, 255, 270, 305, 306, 340, 366, 458, 459, 510, 540, 549, 610, 612, 687, 732, 765, 915, 916, 918, 1020, 1037, 1098, 1145, 1220, 1374, 1530, 1647, 1830, 1836, 2061, 2074, 2196, 2290, 2295, 2745, 2748, 3060, 3111, 3294, 3435, 3660, 3893, 4122, 4148, 4580, 4590, 5185, 5490, 6183, 6222, 6588, 6870, 7786, 8235, 8244, 9180, 9333, 10305, 10370, 10980, 11679, 12366, 12444, 13740, 13969, 15555, 15572, 16470, 18666, 19465, 20610, 20740, 23358, 24732, 27938, 27999, 30915, 31110, 32940, 35037, 37332, 38930, 41220, 41907, 46665, 46716, 55876, 55998, 58395, 61830, 62220, 69845, 70074, 77860, 83814, 93330, 105111, 111996, 116790, 123660, 125721, 139690, 139995, 140148, 167628, 175185, 186660, 209535, 210222, 233580, 237473, 251442, 279380, 279990, 350370, 377163, 419070, 420444, 474946, 502884, 525555, 559980, 628605, 700740, 712419, 754326, 838140, 949892, 1051110, 1187365, 1257210, 1424838, 1508652, 1885815, 2102220, 2137257, 2374730, 2514420, 2849676, 3562095, 3771630, 4274514, 4749460, 6411771, 7124190, 7543260, 8549028, 10686285, 12823542, 14248380, 21372570, 25647084, 32058855, 42745140, 64117710, 128235420]

約数ペア:

[(1, 128235420), (2, 64117710), (3, 42745140), (4, 32058855), (5, 25647084), (6, 21372570), (9, 14248380), (10, 12823542), (12, 10686285), (15, 8549028), (17, 7543260), (18, 7124190), (20, 6411771), (27, 4749460), (30, 4274514), (34, 3771630), (36, 3562095), (45, 2849676), (51, 2514420), (54, 2374730), (60, 2137257), (61, 2102220), (68, 1885815), (85, 1508652), (90, 1424838), (102, 1257210), (108, 1187365), (122, 1051110), (135, 949892), (153, 838140), (170, 754326), (180, 712419), (183, 700740), (204, 628605), (229, 559980), (244, 525555), (255, 502884), (270, 474946), (305, 420444), (306, 419070), (340, 377163), (366, 350370), (458, 279990), (459, 279380), (510, 251442), (540, 237473), (549, 233580), (610, 210222), (612, 209535), (687, 186660), (732, 175185), (765, 167628), (915, 140148), (916, 139995), (918, 139690), (1020, 125721), (1037, 123660), (1098, 116790), (1145, 111996), (1220, 105111), (1374, 93330), (1530, 83814), (1647, 77860), (1830, 70074), (1836, 69845), (2061, 62220), (2074, 61830), (2196, 58395), (2290, 55998), (2295, 55876), (2745, 46716), (2748, 46665), (3060, 41907), (3111, 41220), (3294, 38930), (3435, 37332), (3660, 35037), (3893, 32940), (4122, 31110), (4148, 30915), (4580, 27999), (4590, 27938), (5185, 24732), (5490, 23358), (6183, 20740), (6222, 20610), (6588, 19465), (6870, 18666), (7786, 16470), (8235, 15572), (8244, 15555), (9180, 13969), (9333, 13740), (10305, 12444), (10370, 12366), (10980, 11679)]