28456920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{8783}}^1$

素因数の和:8806

約数の個数: 80

約数和(自身を含む): 95657760

約数和(自身を除く): 67200840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 8783, 17566, 26349, 35132, 43915, 52698, 70264, 79047, 87830, 105396, 131745, 158094, 175660, 210792, 237141, 263490, 316188, 351320, 395235, 474282, 526980, 632376, 711423, 790470, 948564, 1053960, 1185705, 1422846, 1580940, 1897128, 2371410, 2845692, 3161880, 3557115, 4742820, 5691384, 7114230, 9485640, 14228460, 28456920]

約数ペア:

[(1, 28456920), (2, 14228460), (3, 9485640), (4, 7114230), (5, 5691384), (6, 4742820), (8, 3557115), (9, 3161880), (10, 2845692), (12, 2371410), (15, 1897128), (18, 1580940), (20, 1422846), (24, 1185705), (27, 1053960), (30, 948564), (36, 790470), (40, 711423), (45, 632376), (54, 526980), (60, 474282), (72, 395235), (81, 351320), (90, 316188), (108, 263490), (120, 237141), (135, 210792), (162, 175660), (180, 158094), (216, 131745), (270, 105396), (324, 87830), (360, 79047), (405, 70264), (540, 52698), (648, 43915), (810, 35132), (1080, 26349), (1620, 17566), (3240, 8783)]