90562780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 250048512

約数和(自身を除く): 159485732

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 271, 308, 310, 341, 385, 434, 490, 539, 542, 620, 682, 770, 868, 980, 1078, 1084, 1085, 1355, 1364, 1519, 1540, 1705, 1897, 2156, 2170, 2387, 2695, 2710, 2981, 3038, 3410, 3794, 4340, 4774, 5390, 5420, 5962, 6076, 6820, 7588, 7595, 8401, 9485, 9548, 10780, 11924, 11935, 13279, 14905, 15190, 16709, 16802, 18970, 20867, 23870, 26558, 29810, 30380, 33418, 33604, 37940, 41734, 42005, 47740, 53116, 58807, 59620, 66395, 66836, 83468, 83545, 84010, 92411, 104335, 117614, 132790, 146069, 167090, 168020, 184822, 208670, 235228, 265580, 292138, 294035, 334180, 369644, 411649, 417340, 462055, 584276, 588070, 646877, 730345, 823298, 924110, 1176140, 1293754, 1460690, 1646596, 1848220, 2058245, 2587508, 2921380, 3234385, 4116490, 4528139, 6468770, 8232980, 9056278, 12937540, 18112556, 22640695, 45281390, 90562780]

約数ペア:

[(1, 90562780), (2, 45281390), (4, 22640695), (5, 18112556), (7, 12937540), (10, 9056278), (11, 8232980), (14, 6468770), (20, 4528139), (22, 4116490), (28, 3234385), (31, 2921380), (35, 2587508), (44, 2058245), (49, 1848220), (55, 1646596), (62, 1460690), (70, 1293754), (77, 1176140), (98, 924110), (110, 823298), (124, 730345), (140, 646877), (154, 588070), (155, 584276), (196, 462055), (217, 417340), (220, 411649), (245, 369644), (271, 334180), (308, 294035), (310, 292138), (341, 265580), (385, 235228), (434, 208670), (490, 184822), (539, 168020), (542, 167090), (620, 146069), (682, 132790), (770, 117614), (868, 104335), (980, 92411), (1078, 84010), (1084, 83545), (1085, 83468), (1355, 66836), (1364, 66395), (1519, 59620), (1540, 58807), (1705, 53116), (1897, 47740), (2156, 42005), (2170, 41734), (2387, 37940), (2695, 33604), (2710, 33418), (2981, 30380), (3038, 29810), (3410, 26558), (3794, 23870), (4340, 20867), (4774, 18970), (5390, 16802), (5420, 16709), (5962, 15190), (6076, 14905), (6820, 13279), (7588, 11935), (7595, 11924), (8401, 10780), (9485, 9548)]