1205640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 4169880

約数和(自身を除く): 2964240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 197, 204, 255, 306, 340, 360, 394, 408, 510, 591, 612, 680, 765, 788, 985, 1020, 1182, 1224, 1530, 1576, 1773, 1970, 2040, 2364, 2955, 3060, 3349, 3546, 3940, 4728, 5910, 6120, 6698, 7092, 7880, 8865, 10047, 11820, 13396, 14184, 16745, 17730, 20094, 23640, 26792, 30141, 33490, 35460, 40188, 50235, 60282, 66980, 70920, 80376, 100470, 120564, 133960, 150705, 200940, 241128, 301410, 401880, 602820, 1205640]

約数ペア:

[(1, 1205640), (2, 602820), (3, 401880), (4, 301410), (5, 241128), (6, 200940), (8, 150705), (9, 133960), (10, 120564), (12, 100470), (15, 80376), (17, 70920), (18, 66980), (20, 60282), (24, 50235), (30, 40188), (34, 35460), (36, 33490), (40, 30141), (45, 26792), (51, 23640), (60, 20094), (68, 17730), (72, 16745), (85, 14184), (90, 13396), (102, 11820), (120, 10047), (136, 8865), (153, 7880), (170, 7092), (180, 6698), (197, 6120), (204, 5910), (255, 4728), (306, 3940), (340, 3546), (360, 3349), (394, 3060), (408, 2955), (510, 2364), (591, 2040), (612, 1970), (680, 1773), (765, 1576), (788, 1530), (985, 1224), (1020, 1182)]