16712251280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1\times {\mathrm{1201}}^1$

素因数の和:1457

約数の個数: 120

約数和(自身を含む): 40405273272

約数和(自身を除く): 23693021992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 496, 620, 724, 905, 961, 1201, 1240, 1448, 1810, 1922, 2402, 2480, 2896, 3620, 3844, 4804, 4805, 5611, 6005, 7240, 7688, 9608, 9610, 11222, 12010, 14480, 15376, 19216, 19220, 22444, 24020, 28055, 37231, 38440, 44888, 48040, 56110, 74462, 76880, 89776, 96080, 112220, 148924, 173941, 186155, 217381, 224440, 297848, 347882, 372310, 434762, 448880, 595696, 695764, 744620, 869524, 869705, 1086905, 1154161, 1391528, 1489240, 1739048, 1739410, 2173810, 2308322, 2783056, 2978480, 3478096, 3478820, 4347620, 4616644, 5770805, 6738811, 6957640, 8695240, 9233288, 11541610, 13477622, 13915280, 17390480, 18466576, 23083220, 26955244, 33694055, 46166440, 53910488, 67388110, 92332880, 107820976, 134776220, 208903141, 269552440, 417806282, 539104880, 835612564, 1044515705, 1671225128, 2089031410, 3342450256, 4178062820, 8356125640, 16712251280]

約数ペア:

[(1, 16712251280), (2, 8356125640), (4, 4178062820), (5, 3342450256), (8, 2089031410), (10, 1671225128), (16, 1044515705), (20, 835612564), (31, 539104880), (40, 417806282), (62, 269552440), (80, 208903141), (124, 134776220), (155, 107820976), (181, 92332880), (248, 67388110), (310, 53910488), (362, 46166440), (496, 33694055), (620, 26955244), (724, 23083220), (905, 18466576), (961, 17390480), (1201, 13915280), (1240, 13477622), (1448, 11541610), (1810, 9233288), (1922, 8695240), (2402, 6957640), (2480, 6738811), (2896, 5770805), (3620, 4616644), (3844, 4347620), (4804, 3478820), (4805, 3478096), (5611, 2978480), (6005, 2783056), (7240, 2308322), (7688, 2173810), (9608, 1739410), (9610, 1739048), (11222, 1489240), (12010, 1391528), (14480, 1154161), (15376, 1086905), (19216, 869705), (19220, 869524), (22444, 744620), (24020, 695764), (28055, 595696), (37231, 448880), (38440, 434762), (44888, 372310), (48040, 347882), (56110, 297848), (74462, 224440), (76880, 217381), (89776, 186155), (96080, 173941), (112220, 148924)]