20415485160

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{11299}}^1$

素因数の和:11565

約数の個数: 256

約数和(自身を含む): 78105600000

約数和(自身を除く): 57690114840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 239, 252, 270, 280, 315, 360, 378, 420, 478, 504, 540, 630, 717, 756, 840, 945, 956, 1080, 1195, 1260, 1434, 1512, 1673, 1890, 1912, 2151, 2390, 2520, 2868, 3346, 3585, 3780, 4302, 4780, 5019, 5736, 6453, 6692, 7170, 7560, 8365, 8604, 9560, 10038, 10755, 11299, 12906, 13384, 14340, 15057, 16730, 17208, 20076, 21510, 22598, 25095, 25812, 28680, 30114, 32265, 33460, 33897, 40152, 43020, 45171, 45196, 50190, 51624, 56495, 60228, 64530, 66920, 67794, 75285, 79093, 86040, 90342, 90392, 100380, 101691, 112990, 120456, 129060, 135588, 150570, 158186, 169485, 180684, 200760, 203382, 225855, 225980, 237279, 258120, 271176, 301140, 305073, 316372, 338970, 361368, 395465, 406764, 451710, 451960, 474558, 508455, 602280, 610146, 632744, 677940, 711837, 790930, 813528, 903420, 949116, 1016910, 1186395, 1220292, 1355880, 1423674, 1525365, 1581860, 1806840, 1898232, 2033820, 2135511, 2372790, 2440584, 2700461, 2847348, 3050730, 3163720, 3559185, 4067640, 4271022, 4745580, 5400922, 5694696, 6101460, 7118370, 8101383, 8542044, 9491160, 10677555, 10801844, 12202920, 13502305, 14236740, 16202766, 17084088, 18903227, 21355110, 21603688, 24304149, 27004610, 28473480, 32405532, 37806454, 40506915, 42710220, 48608298, 54009220, 56709681, 64811064, 72912447, 75612908, 81013830, 85420440, 94516135, 97216596, 108018440, 113419362, 121520745, 145824894, 151225816, 162027660, 170129043, 189032270, 194433192, 226838724, 243041490, 283548405, 291649788, 324055320, 340258086, 364562235, 378064540, 453677448, 486082980, 510387129, 567096810, 583299576, 680516172, 729124470, 756129080, 850645215, 972165960, 1020774258, 1134193620, 1361032344, 1458248940, 1701290430, 2041548516, 2268387240, 2551935645, 2916497880, 3402580860, 4083097032, 5103871290, 6805161720, 10207742580, 20415485160]

約数ペア:

[(1, 20415485160), (2, 10207742580), (3, 6805161720), (4, 5103871290), (5, 4083097032), (6, 3402580860), (7, 2916497880), (8, 2551935645), (9, 2268387240), (10, 2041548516), (12, 1701290430), (14, 1458248940), (15, 1361032344), (18, 1134193620), (20, 1020774258), (21, 972165960), (24, 850645215), (27, 756129080), (28, 729124470), (30, 680516172), (35, 583299576), (36, 567096810), (40, 510387129), (42, 486082980), (45, 453677448), (54, 378064540), (56, 364562235), (60, 340258086), (63, 324055320), (70, 291649788), (72, 283548405), (84, 243041490), (90, 226838724), (105, 194433192), (108, 189032270), (120, 170129043), (126, 162027660), (135, 151225816), (140, 145824894), (168, 121520745), (180, 113419362), (189, 108018440), (210, 97216596), (216, 94516135), (239, 85420440), (252, 81013830), (270, 75612908), (280, 72912447), (315, 64811064), (360, 56709681), (378, 54009220), (420, 48608298), (478, 42710220), (504, 40506915), (540, 37806454), (630, 32405532), (717, 28473480), (756, 27004610), (840, 24304149), (945, 21603688), (956, 21355110), (1080, 18903227), (1195, 17084088), (1260, 16202766), (1434, 14236740), (1512, 13502305), (1673, 12202920), (1890, 10801844), (1912, 10677555), (2151, 9491160), (2390, 8542044), (2520, 8101383), (2868, 7118370), (3346, 6101460), (3585, 5694696), (3780, 5400922), (4302, 4745580), (4780, 4271022), (5019, 4067640), (5736, 3559185), (6453, 3163720), (6692, 3050730), (7170, 2847348), (7560, 2700461), (8365, 2440584), (8604, 2372790), (9560, 2135511), (10038, 2033820), (10755, 1898232), (11299, 1806840), (12906, 1581860), (13384, 1525365), (14340, 1423674), (15057, 1355880), (16730, 1220292), (17208, 1186395), (20076, 1016910), (21510, 949116), (22598, 903420), (25095, 813528), (25812, 790930), (28680, 711837), (30114, 677940), (32265, 632744), (33460, 610146), (33897, 602280), (40152, 508455), (43020, 474558), (45171, 451960), (45196, 451710), (50190, 406764), (51624, 395465), (56495, 361368), (60228, 338970), (64530, 316372), (66920, 305073), (67794, 301140), (75285, 271176), (79093, 258120), (86040, 237279), (90342, 225980), (90392, 225855), (100380, 203382), (101691, 200760), (112990, 180684), (120456, 169485), (129060, 158186), (135588, 150570)]