64268804540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{8969}}^1$

素因数の和:9279

約数の個数: 96

約数和(自身を含む): 144216072000

約数和(自身を除く): 79947267460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 173, 190, 218, 346, 380, 436, 545, 692, 865, 1090, 1730, 2071, 2180, 3287, 3460, 4142, 6574, 8284, 8969, 10355, 13148, 16435, 17938, 18857, 20710, 32870, 35876, 37714, 41420, 44845, 65740, 75428, 89690, 94285, 170411, 179380, 188570, 340822, 358283, 377140, 681644, 716566, 852055, 977621, 1433132, 1551637, 1704110, 1791415, 1955242, 3103274, 3408220, 3582830, 3910484, 4888105, 6206548, 7165660, 7758185, 9776210, 15516370, 18574799, 19552420, 29481103, 31032740, 37149598, 58962206, 74299196, 92873995, 117924412, 147405515, 169128433, 185747990, 294811030, 338256866, 371495980, 589622060, 676513732, 845642165, 1691284330, 3213440227, 3382568660, 6426880454, 12853760908, 16067201135, 32134402270, 64268804540]

約数ペア:

[(1, 64268804540), (2, 32134402270), (4, 16067201135), (5, 12853760908), (10, 6426880454), (19, 3382568660), (20, 3213440227), (38, 1691284330), (76, 845642165), (95, 676513732), (109, 589622060), (173, 371495980), (190, 338256866), (218, 294811030), (346, 185747990), (380, 169128433), (436, 147405515), (545, 117924412), (692, 92873995), (865, 74299196), (1090, 58962206), (1730, 37149598), (2071, 31032740), (2180, 29481103), (3287, 19552420), (3460, 18574799), (4142, 15516370), (6574, 9776210), (8284, 7758185), (8969, 7165660), (10355, 6206548), (13148, 4888105), (16435, 3910484), (17938, 3582830), (18857, 3408220), (20710, 3103274), (32870, 1955242), (35876, 1791415), (37714, 1704110), (41420, 1551637), (44845, 1433132), (65740, 977621), (75428, 852055), (89690, 716566), (94285, 681644), (170411, 377140), (179380, 358283), (188570, 340822)]