78345120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{3331}}^1$

素因数の和:3363

約数の個数: 144

約数和(自身を含む): 287165088

約数和(自身を除く): 208819968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3331, 3360, 3920, 4704, 5880, 6662, 7840, 9993, 11760, 13324, 16655, 19986, 23317, 23520, 26648, 33310, 39972, 46634, 49965, 53296, 66620, 69951, 79944, 93268, 99930, 106592, 116585, 133240, 139902, 159888, 163219, 186536, 199860, 233170, 266480, 279804, 319776, 326438, 349755, 373072, 399720, 466340, 489657, 532960, 559608, 652876, 699510, 746144, 799440, 816095, 932680, 979314, 1119216, 1305752, 1399020, 1598880, 1632190, 1865360, 1958628, 2238432, 2448285, 2611504, 2798040, 3264380, 3730720, 3917256, 4896570, 5223008, 5596080, 6528760, 7834512, 9793140, 11192160, 13057520, 15669024, 19586280, 26115040, 39172560, 78345120]

約数ペア:

[(1, 78345120), (2, 39172560), (3, 26115040), (4, 19586280), (5, 15669024), (6, 13057520), (7, 11192160), (8, 9793140), (10, 7834512), (12, 6528760), (14, 5596080), (15, 5223008), (16, 4896570), (20, 3917256), (21, 3730720), (24, 3264380), (28, 2798040), (30, 2611504), (32, 2448285), (35, 2238432), (40, 1958628), (42, 1865360), (48, 1632190), (49, 1598880), (56, 1399020), (60, 1305752), (70, 1119216), (80, 979314), (84, 932680), (96, 816095), (98, 799440), (105, 746144), (112, 699510), (120, 652876), (140, 559608), (147, 532960), (160, 489657), (168, 466340), (196, 399720), (210, 373072), (224, 349755), (240, 326438), (245, 319776), (280, 279804), (294, 266480), (336, 233170), (392, 199860), (420, 186536), (480, 163219), (490, 159888), (560, 139902), (588, 133240), (672, 116585), (735, 106592), (784, 99930), (840, 93268), (980, 79944), (1120, 69951), (1176, 66620), (1470, 53296), (1568, 49965), (1680, 46634), (1960, 39972), (2352, 33310), (2940, 26648), (3331, 23520), (3360, 23317), (3920, 19986), (4704, 16655), (5880, 13324), (6662, 11760), (7840, 9993)]