78644880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109229}}^1$

素因数の和:109248

約数の個数: 60

約数和(自身を含む): 264118140

約数和(自身を除く): 185473260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 109229, 218458, 327687, 436916, 546145, 655374, 873832, 983061, 1092290, 1310748, 1638435, 1747664, 1966122, 2184580, 2621496, 3276870, 3932244, 4369160, 4915305, 5242992, 6553740, 7864488, 8738320, 9830610, 13107480, 15728976, 19661220, 26214960, 39322440, 78644880]

約数ペア:

[(1, 78644880), (2, 39322440), (3, 26214960), (4, 19661220), (5, 15728976), (6, 13107480), (8, 9830610), (9, 8738320), (10, 7864488), (12, 6553740), (15, 5242992), (16, 4915305), (18, 4369160), (20, 3932244), (24, 3276870), (30, 2621496), (36, 2184580), (40, 1966122), (45, 1747664), (48, 1638435), (60, 1310748), (72, 1092290), (80, 983061), (90, 873832), (120, 655374), (144, 546145), (180, 436916), (240, 327687), (360, 218458), (720, 109229)]