78697920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 224

約数和(自身を含む): 292608000

約数和(自身を除く): 213910080

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, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 239, 240, 245, 280, 294, 320, 336, 343, 392, 420, 448, 478, 480, 490, 560, 588, 672, 686, 717, 735, 784, 840, 956, 960, 980, 1029, 1120, 1176, 1195, 1344, 1372, 1434, 1470, 1568, 1673, 1680, 1715, 1912, 1960, 2058, 2240, 2352, 2390, 2744, 2868, 2940, 3136, 3346, 3360, 3430, 3585, 3824, 3920, 4116, 4704, 4780, 5019, 5145, 5488, 5736, 5880, 6692, 6720, 6860, 7170, 7648, 7840, 8232, 8365, 9408, 9560, 10038, 10290, 10976, 11472, 11711, 11760, 13384, 13720, 14340, 15296, 15680, 16464, 16730, 19120, 20076, 20580, 21952, 22944, 23422, 23520, 25095, 26768, 27440, 28680, 32928, 33460, 35133, 38240, 40152, 41160, 45888, 46844, 47040, 50190, 53536, 54880, 57360, 58555, 65856, 66920, 70266, 76480, 80304, 81977, 82320, 93688, 100380, 107072, 109760, 114720, 117110, 133840, 140532, 160608, 163954, 164640, 175665, 187376, 200760, 229440, 234220, 245931, 267680, 281064, 321216, 327908, 329280, 351330, 374752, 401520, 409885, 468440, 491862, 535360, 562128, 655816, 702660, 749504, 803040, 819770, 936880, 983724, 1124256, 1229655, 1311632, 1405320, 1606080, 1639540, 1873760, 1967448, 2248512, 2459310, 2623264, 2810640, 3279080, 3747520, 3934896, 4918620, 5246528, 5621280, 6558160, 7869792, 9837240, 11242560, 13116320, 15739584, 19674480, 26232640, 39348960, 78697920]

約数ペア:

[(1, 78697920), (2, 39348960), (3, 26232640), (4, 19674480), (5, 15739584), (6, 13116320), (7, 11242560), (8, 9837240), (10, 7869792), (12, 6558160), (14, 5621280), (15, 5246528), (16, 4918620), (20, 3934896), (21, 3747520), (24, 3279080), (28, 2810640), (30, 2623264), (32, 2459310), (35, 2248512), (40, 1967448), (42, 1873760), (48, 1639540), (49, 1606080), (56, 1405320), (60, 1311632), (64, 1229655), (70, 1124256), (80, 983724), (84, 936880), (96, 819770), (98, 803040), (105, 749504), (112, 702660), (120, 655816), (140, 562128), (147, 535360), (160, 491862), (168, 468440), (192, 409885), (196, 401520), (210, 374752), (224, 351330), (239, 329280), (240, 327908), (245, 321216), (280, 281064), (294, 267680), (320, 245931), (336, 234220), (343, 229440), (392, 200760), (420, 187376), (448, 175665), (478, 164640), (480, 163954), (490, 160608), (560, 140532), (588, 133840), (672, 117110), (686, 114720), (717, 109760), (735, 107072), (784, 100380), (840, 93688), (956, 82320), (960, 81977), (980, 80304), (1029, 76480), (1120, 70266), (1176, 66920), (1195, 65856), (1344, 58555), (1372, 57360), (1434, 54880), (1470, 53536), (1568, 50190), (1673, 47040), (1680, 46844), (1715, 45888), (1912, 41160), (1960, 40152), (2058, 38240), (2240, 35133), (2352, 33460), (2390, 32928), (2744, 28680), (2868, 27440), (2940, 26768), (3136, 25095), (3346, 23520), (3360, 23422), (3430, 22944), (3585, 21952), (3824, 20580), (3920, 20076), (4116, 19120), (4704, 16730), (4780, 16464), (5019, 15680), (5145, 15296), (5488, 14340), (5736, 13720), (5880, 13384), (6692, 11760), (6720, 11711), (6860, 11472), (7170, 10976), (7648, 10290), (7840, 10038), (8232, 9560), (8365, 9408)]