1520432440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{19423}}^1$

素因数の和:19556

約数の個数: 64

約数和(自身を含む): 3636172800

約数和(自身を除く): 2115740360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 1030, 1957, 2060, 3914, 4120, 7828, 9785, 15656, 19423, 19570, 38846, 39140, 77692, 78280, 97115, 155384, 194230, 369037, 388460, 738074, 776920, 1476148, 1845185, 2000569, 2952296, 3690370, 4001138, 7380740, 8002276, 10002845, 14761480, 16004552, 20005690, 38010811, 40011380, 76021622, 80022760, 152043244, 190054055, 304086488, 380108110, 760216220, 1520432440]

約数ペア:

[(1, 1520432440), (2, 760216220), (4, 380108110), (5, 304086488), (8, 190054055), (10, 152043244), (19, 80022760), (20, 76021622), (38, 40011380), (40, 38010811), (76, 20005690), (95, 16004552), (103, 14761480), (152, 10002845), (190, 8002276), (206, 7380740), (380, 4001138), (412, 3690370), (515, 2952296), (760, 2000569), (824, 1845185), (1030, 1476148), (1957, 776920), (2060, 738074), (3914, 388460), (4120, 369037), (7828, 194230), (9785, 155384), (15656, 97115), (19423, 78280), (19570, 77692), (38846, 39140)]