90166780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 229249440

約数和(自身を除く): 139082660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 53, 55, 74, 76, 95, 106, 110, 121, 148, 185, 190, 209, 212, 220, 242, 265, 370, 380, 407, 418, 484, 530, 583, 605, 703, 740, 814, 836, 1007, 1045, 1060, 1166, 1210, 1406, 1628, 1961, 2014, 2035, 2090, 2299, 2332, 2420, 2812, 2915, 3515, 3922, 4028, 4070, 4180, 4477, 4598, 5035, 5830, 6413, 7030, 7733, 7844, 8140, 8954, 9196, 9805, 10070, 11077, 11495, 11660, 12826, 14060, 15466, 17908, 19610, 20140, 21571, 22154, 22385, 22990, 25652, 30932, 32065, 37259, 38665, 39220, 43142, 44308, 44770, 45980, 55385, 64130, 74518, 77330, 85063, 86284, 89540, 107855, 110770, 121847, 128260, 149036, 154660, 170126, 186295, 215710, 221540, 237281, 243694, 340252, 372590, 409849, 425315, 431420, 474562, 487388, 609235, 745180, 819698, 850630, 949124, 1186405, 1218470, 1639396, 1701260, 2049245, 2372810, 2436940, 4098490, 4508339, 4745620, 8196980, 9016678, 18033356, 22541695, 45083390, 90166780]

約数ペア:

[(1, 90166780), (2, 45083390), (4, 22541695), (5, 18033356), (10, 9016678), (11, 8196980), (19, 4745620), (20, 4508339), (22, 4098490), (37, 2436940), (38, 2372810), (44, 2049245), (53, 1701260), (55, 1639396), (74, 1218470), (76, 1186405), (95, 949124), (106, 850630), (110, 819698), (121, 745180), (148, 609235), (185, 487388), (190, 474562), (209, 431420), (212, 425315), (220, 409849), (242, 372590), (265, 340252), (370, 243694), (380, 237281), (407, 221540), (418, 215710), (484, 186295), (530, 170126), (583, 154660), (605, 149036), (703, 128260), (740, 121847), (814, 110770), (836, 107855), (1007, 89540), (1045, 86284), (1060, 85063), (1166, 77330), (1210, 74518), (1406, 64130), (1628, 55385), (1961, 45980), (2014, 44770), (2035, 44308), (2090, 43142), (2299, 39220), (2332, 38665), (2420, 37259), (2812, 32065), (2915, 30932), (3515, 25652), (3922, 22990), (4028, 22385), (4070, 22154), (4180, 21571), (4477, 20140), (4598, 19610), (5035, 17908), (5830, 15466), (6413, 14060), (7030, 12826), (7733, 11660), (7844, 11495), (8140, 11077), (8954, 10070), (9196, 9805)]