71512840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8807}}^1$

素因数の和:8854

約数の個数: 64

約数和(自身を含む): 190252800

約数和(自身を除く): 118739960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 8807, 17614, 35228, 44035, 61649, 70456, 88070, 123298, 176140, 246596, 255403, 308245, 352280, 493192, 510806, 616490, 1021612, 1232980, 1277015, 1787821, 2043224, 2465960, 2554030, 3575642, 5108060, 7151284, 8939105, 10216120, 14302568, 17878210, 35756420, 71512840]

約数ペア:

[(1, 71512840), (2, 35756420), (4, 17878210), (5, 14302568), (7, 10216120), (8, 8939105), (10, 7151284), (14, 5108060), (20, 3575642), (28, 2554030), (29, 2465960), (35, 2043224), (40, 1787821), (56, 1277015), (58, 1232980), (70, 1021612), (116, 616490), (140, 510806), (145, 493192), (203, 352280), (232, 308245), (280, 255403), (290, 246596), (406, 176140), (580, 123298), (812, 88070), (1015, 70456), (1160, 61649), (1624, 44035), (2030, 35228), (4060, 17614), (8120, 8807)]