20255894640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{5449}}^1$

素因数の和:7192

約数の個数: 160

約数和(自身を含む): 69823656000

約数和(自身を除く): 49567761360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1721, 2160, 3442, 5163, 5449, 6884, 8605, 10326, 10898, 13768, 15489, 16347, 17210, 20652, 21796, 25815, 27245, 27536, 30978, 32694, 34420, 41304, 43592, 46467, 49041, 51630, 54490, 61956, 65388, 68840, 77445, 81735, 82608, 87184, 92934, 98082, 103260, 108980, 123912, 130776, 137680, 147123, 154890, 163470, 185868, 196164, 206520, 217960, 232335, 245205, 247824, 261552, 294246, 309780, 326940, 371736, 392328, 413040, 435920, 464670, 490410, 588492, 619560, 653880, 735615, 743472, 784656, 929340, 980820, 1176984, 1239120, 1307760, 1471230, 1858680, 1961640, 2353968, 2942460, 3717360, 3923280, 5884920, 9377729, 11769840, 18755458, 28133187, 37510916, 46888645, 56266374, 75021832, 84399561, 93777290, 112532748, 140665935, 150043664, 168799122, 187554580, 225065496, 253198683, 281331870, 337598244, 375109160, 421997805, 450130992, 506397366, 562663740, 675196488, 750218320, 843995610, 1012794732, 1125327480, 1265993415, 1350392976, 1687991220, 2025589464, 2250654960, 2531986830, 3375982440, 4051178928, 5063973660, 6751964880, 10127947320, 20255894640]

約数ペア:

[(1, 20255894640), (2, 10127947320), (3, 6751964880), (4, 5063973660), (5, 4051178928), (6, 3375982440), (8, 2531986830), (9, 2250654960), (10, 2025589464), (12, 1687991220), (15, 1350392976), (16, 1265993415), (18, 1125327480), (20, 1012794732), (24, 843995610), (27, 750218320), (30, 675196488), (36, 562663740), (40, 506397366), (45, 450130992), (48, 421997805), (54, 375109160), (60, 337598244), (72, 281331870), (80, 253198683), (90, 225065496), (108, 187554580), (120, 168799122), (135, 150043664), (144, 140665935), (180, 112532748), (216, 93777290), (240, 84399561), (270, 75021832), (360, 56266374), (432, 46888645), (540, 37510916), (720, 28133187), (1080, 18755458), (1721, 11769840), (2160, 9377729), (3442, 5884920), (5163, 3923280), (5449, 3717360), (6884, 2942460), (8605, 2353968), (10326, 1961640), (10898, 1858680), (13768, 1471230), (15489, 1307760), (16347, 1239120), (17210, 1176984), (20652, 980820), (21796, 929340), (25815, 784656), (27245, 743472), (27536, 735615), (30978, 653880), (32694, 619560), (34420, 588492), (41304, 490410), (43592, 464670), (46467, 435920), (49041, 413040), (51630, 392328), (54490, 371736), (61956, 326940), (65388, 309780), (68840, 294246), (77445, 261552), (81735, 247824), (82608, 245205), (87184, 232335), (92934, 217960), (98082, 206520), (103260, 196164), (108980, 185868), (123912, 163470), (130776, 154890), (137680, 147123)]