19826760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9719}}^1$

素因数の和:9750

約数の個数: 64

約数和(自身を含む): 62985600

約数和(自身を除く): 43158840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9719, 19438, 29157, 38876, 48595, 58314, 77752, 97190, 116628, 145785, 165223, 194380, 233256, 291570, 330446, 388760, 495669, 583140, 660892, 826115, 991338, 1166280, 1321784, 1652230, 1982676, 2478345, 3304460, 3965352, 4956690, 6608920, 9913380, 19826760]

約数ペア:

[(1, 19826760), (2, 9913380), (3, 6608920), (4, 4956690), (5, 3965352), (6, 3304460), (8, 2478345), (10, 1982676), (12, 1652230), (15, 1321784), (17, 1166280), (20, 991338), (24, 826115), (30, 660892), (34, 583140), (40, 495669), (51, 388760), (60, 330446), (68, 291570), (85, 233256), (102, 194380), (120, 165223), (136, 145785), (170, 116628), (204, 97190), (255, 77752), (340, 58314), (408, 48595), (510, 38876), (680, 29157), (1020, 19438), (2040, 9719)]