1379346320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{19841}}^1$

素因数の和:19944

約数の個数: 80

約数和(自身を含む): 3542987520

約数和(自身を除く): 2163641200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 3160, 3476, 4345, 6320, 6952, 8690, 13904, 17380, 19841, 34760, 39682, 69520, 79364, 99205, 158728, 198410, 218251, 317456, 396820, 436502, 793640, 873004, 1091255, 1567439, 1587280, 1746008, 2182510, 3134878, 3492016, 4365020, 6269756, 7837195, 8730040, 12539512, 15674390, 17241829, 17460080, 25079024, 31348780, 34483658, 62697560, 68967316, 86209145, 125395120, 137934632, 172418290, 275869264, 344836580, 689673160, 1379346320]

約数ペア:

[(1, 1379346320), (2, 689673160), (4, 344836580), (5, 275869264), (8, 172418290), (10, 137934632), (11, 125395120), (16, 86209145), (20, 68967316), (22, 62697560), (40, 34483658), (44, 31348780), (55, 25079024), (79, 17460080), (80, 17241829), (88, 15674390), (110, 12539512), (158, 8730040), (176, 7837195), (220, 6269756), (316, 4365020), (395, 3492016), (440, 3134878), (632, 2182510), (790, 1746008), (869, 1587280), (880, 1567439), (1264, 1091255), (1580, 873004), (1738, 793640), (3160, 436502), (3476, 396820), (4345, 317456), (6320, 218251), (6952, 198410), (8690, 158728), (13904, 99205), (17380, 79364), (19841, 69520), (34760, 39682)]