1721405520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1259}}^1$

素因数の和:1495

約数の個数: 200

約数和(自身を含む): 6011802720

約数和(自身を除く): 4290397200

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, 81, 90, 108, 120, 135, 144, 162, 180, 211, 216, 240, 270, 324, 360, 405, 422, 432, 540, 633, 648, 720, 810, 844, 1055, 1080, 1259, 1266, 1296, 1620, 1688, 1899, 2110, 2160, 2518, 2532, 3165, 3240, 3376, 3777, 3798, 4220, 5036, 5064, 5697, 6295, 6330, 6480, 7554, 7596, 8440, 9495, 10072, 10128, 11331, 11394, 12590, 12660, 15108, 15192, 16880, 17091, 18885, 18990, 20144, 22662, 22788, 25180, 25320, 28485, 30216, 30384, 33993, 34182, 37770, 37980, 45324, 45576, 50360, 50640, 56655, 56970, 60432, 67986, 68364, 75540, 75960, 85455, 90648, 91152, 100720, 101979, 113310, 113940, 135972, 136728, 151080, 151920, 169965, 170910, 181296, 203958, 226620, 227880, 265649, 271944, 273456, 302160, 339930, 341820, 407916, 453240, 455760, 509895, 531298, 543888, 679860, 683640, 796947, 815832, 906480, 1019790, 1062596, 1328245, 1359720, 1367280, 1593894, 1631664, 2039580, 2125192, 2390841, 2656490, 2719440, 3187788, 3984735, 4079160, 4250384, 4781682, 5312980, 6375576, 7172523, 7969470, 8158320, 9563364, 10625960, 11954205, 12751152, 14345046, 15938940, 19126728, 21251920, 21517569, 23908410, 28690092, 31877880, 35862615, 38253456, 43035138, 47816820, 57380184, 63755760, 71725230, 86070276, 95633640, 107587845, 114760368, 143450460, 172140552, 191267280, 215175690, 286900920, 344281104, 430351380, 573801840, 860702760, 1721405520]

約数ペア:

[(1, 1721405520), (2, 860702760), (3, 573801840), (4, 430351380), (5, 344281104), (6, 286900920), (8, 215175690), (9, 191267280), (10, 172140552), (12, 143450460), (15, 114760368), (16, 107587845), (18, 95633640), (20, 86070276), (24, 71725230), (27, 63755760), (30, 57380184), (36, 47816820), (40, 43035138), (45, 38253456), (48, 35862615), (54, 31877880), (60, 28690092), (72, 23908410), (80, 21517569), (81, 21251920), (90, 19126728), (108, 15938940), (120, 14345046), (135, 12751152), (144, 11954205), (162, 10625960), (180, 9563364), (211, 8158320), (216, 7969470), (240, 7172523), (270, 6375576), (324, 5312980), (360, 4781682), (405, 4250384), (422, 4079160), (432, 3984735), (540, 3187788), (633, 2719440), (648, 2656490), (720, 2390841), (810, 2125192), (844, 2039580), (1055, 1631664), (1080, 1593894), (1259, 1367280), (1266, 1359720), (1296, 1328245), (1620, 1062596), (1688, 1019790), (1899, 906480), (2110, 815832), (2160, 796947), (2518, 683640), (2532, 679860), (3165, 543888), (3240, 531298), (3376, 509895), (3777, 455760), (3798, 453240), (4220, 407916), (5036, 341820), (5064, 339930), (5697, 302160), (6295, 273456), (6330, 271944), (6480, 265649), (7554, 227880), (7596, 226620), (8440, 203958), (9495, 181296), (10072, 170910), (10128, 169965), (11331, 151920), (11394, 151080), (12590, 136728), (12660, 135972), (15108, 113940), (15192, 113310), (16880, 101979), (17091, 100720), (18885, 91152), (18990, 90648), (20144, 85455), (22662, 75960), (22788, 75540), (25180, 68364), (25320, 67986), (28485, 60432), (30216, 56970), (30384, 56655), (33993, 50640), (34182, 50360), (37770, 45576), (37980, 45324)]