12981750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 34145280

約数和(自身を除く): 21163530

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 125, 150, 190, 250, 285, 375, 475, 570, 750, 911, 950, 1425, 1822, 2375, 2733, 2850, 4555, 4750, 5466, 7125, 9110, 13665, 14250, 17309, 22775, 27330, 34618, 45550, 51927, 68325, 86545, 103854, 113875, 136650, 173090, 227750, 259635, 341625, 432725, 519270, 683250, 865450, 1298175, 2163625, 2596350, 4327250, 6490875, 12981750]

約数ペア:

[(1, 12981750), (2, 6490875), (3, 4327250), (5, 2596350), (6, 2163625), (10, 1298175), (15, 865450), (19, 683250), (25, 519270), (30, 432725), (38, 341625), (50, 259635), (57, 227750), (75, 173090), (95, 136650), (114, 113875), (125, 103854), (150, 86545), (190, 68325), (250, 51927), (285, 45550), (375, 34618), (475, 27330), (570, 22775), (750, 17309), (911, 14250), (950, 13665), (1425, 9110), (1822, 7125), (2375, 5466), (2733, 4750), (2850, 4555)]