18731280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4591}}^1$

素因数の和:4624

約数の個数: 80

約数和(自身を含む): 61496064

約数和(自身を除く): 42764784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4591, 9182, 13773, 18364, 22955, 27546, 36728, 45910, 55092, 68865, 73456, 78047, 91820, 110184, 137730, 156094, 183640, 220368, 234141, 275460, 312188, 367280, 390235, 468282, 550920, 624376, 780470, 936564, 1101840, 1170705, 1248752, 1560940, 1873128, 2341410, 3121880, 3746256, 4682820, 6243760, 9365640, 18731280]

約数ペア:

[(1, 18731280), (2, 9365640), (3, 6243760), (4, 4682820), (5, 3746256), (6, 3121880), (8, 2341410), (10, 1873128), (12, 1560940), (15, 1248752), (16, 1170705), (17, 1101840), (20, 936564), (24, 780470), (30, 624376), (34, 550920), (40, 468282), (48, 390235), (51, 367280), (60, 312188), (68, 275460), (80, 234141), (85, 220368), (102, 183640), (120, 156094), (136, 137730), (170, 110184), (204, 91820), (240, 78047), (255, 73456), (272, 68865), (340, 55092), (408, 45910), (510, 36728), (680, 27546), (816, 22955), (1020, 18364), (1360, 13773), (2040, 9182), (4080, 4591)]