129310960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 318684960

約数和(自身を除く): 189374000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 241, 304, 353, 380, 482, 706, 760, 964, 1205, 1412, 1520, 1765, 1928, 2410, 2824, 3530, 3856, 4579, 4820, 5648, 6707, 7060, 9158, 9640, 13414, 14120, 18316, 19280, 22895, 26828, 28240, 33535, 36632, 45790, 53656, 67070, 73264, 85073, 91580, 107312, 134140, 170146, 183160, 268280, 340292, 366320, 425365, 536560, 680584, 850730, 1361168, 1616387, 1701460, 3232774, 3402920, 6465548, 6805840, 8081935, 12931096, 16163870, 25862192, 32327740, 64655480, 129310960]

約数ペア:

[(1, 129310960), (2, 64655480), (4, 32327740), (5, 25862192), (8, 16163870), (10, 12931096), (16, 8081935), (19, 6805840), (20, 6465548), (38, 3402920), (40, 3232774), (76, 1701460), (80, 1616387), (95, 1361168), (152, 850730), (190, 680584), (241, 536560), (304, 425365), (353, 366320), (380, 340292), (482, 268280), (706, 183160), (760, 170146), (964, 134140), (1205, 107312), (1412, 91580), (1520, 85073), (1765, 73264), (1928, 67070), (2410, 53656), (2824, 45790), (3530, 36632), (3856, 33535), (4579, 28240), (4820, 26828), (5648, 22895), (6707, 19280), (7060, 18316), (9158, 14120), (9640, 13414)]