91311920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 120

約数和(自身を含む): 251254752

約数和(自身を除く): 159942832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 97, 112, 140, 164, 194, 205, 280, 287, 328, 388, 410, 485, 560, 574, 656, 679, 776, 820, 970, 1148, 1358, 1435, 1552, 1640, 1681, 1940, 2296, 2716, 2870, 3280, 3362, 3395, 3880, 3977, 4592, 5432, 5740, 6724, 6790, 7760, 7954, 8405, 10864, 11480, 11767, 13448, 13580, 15908, 16810, 19885, 22960, 23534, 26896, 27160, 27839, 31816, 33620, 39770, 47068, 54320, 55678, 58835, 63632, 67240, 79540, 94136, 111356, 117670, 134480, 139195, 159080, 163057, 188272, 222712, 235340, 278390, 318160, 326114, 445424, 470680, 556780, 652228, 815285, 941360, 1113560, 1141399, 1304456, 1630570, 2227120, 2282798, 2608912, 3261140, 4565596, 5706995, 6522280, 9131192, 11413990, 13044560, 18262384, 22827980, 45655960, 91311920]

約数ペア:

[(1, 91311920), (2, 45655960), (4, 22827980), (5, 18262384), (7, 13044560), (8, 11413990), (10, 9131192), (14, 6522280), (16, 5706995), (20, 4565596), (28, 3261140), (35, 2608912), (40, 2282798), (41, 2227120), (56, 1630570), (70, 1304456), (80, 1141399), (82, 1113560), (97, 941360), (112, 815285), (140, 652228), (164, 556780), (194, 470680), (205, 445424), (280, 326114), (287, 318160), (328, 278390), (388, 235340), (410, 222712), (485, 188272), (560, 163057), (574, 159080), (656, 139195), (679, 134480), (776, 117670), (820, 111356), (970, 94136), (1148, 79540), (1358, 67240), (1435, 63632), (1552, 58835), (1640, 55678), (1681, 54320), (1940, 47068), (2296, 39770), (2716, 33620), (2870, 31816), (3280, 27839), (3362, 27160), (3395, 26896), (3880, 23534), (3977, 22960), (4592, 19885), (5432, 16810), (5740, 15908), (6724, 13580), (6790, 13448), (7760, 11767), (7954, 11480), (8405, 10864)]