28521720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{8803}}^1$

素因数の和:8826

約数の個数: 80

約数和(自身を含む): 95875560

約数和(自身を除く): 67353840

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, 8803, 17606, 26409, 35212, 44015, 52818, 70424, 79227, 88030, 105636, 132045, 158454, 176060, 211272, 237681, 264090, 316908, 352120, 396135, 475362, 528180, 633816, 713043, 792270, 950724, 1056360, 1188405, 1426086, 1584540, 1901448, 2376810, 2852172, 3169080, 3565215, 4753620, 5704344, 7130430, 9507240, 14260860, 28521720]

約数ペア:

[(1, 28521720), (2, 14260860), (3, 9507240), (4, 7130430), (5, 5704344), (6, 4753620), (8, 3565215), (9, 3169080), (10, 2852172), (12, 2376810), (15, 1901448), (18, 1584540), (20, 1426086), (24, 1188405), (27, 1056360), (30, 950724), (36, 792270), (40, 713043), (45, 633816), (54, 528180), (60, 475362), (72, 396135), (81, 352120), (90, 316908), (108, 264090), (120, 237681), (135, 211272), (162, 176060), (180, 158454), (216, 132045), (270, 105636), (324, 88030), (360, 79227), (405, 70424), (540, 52818), (648, 44015), (810, 35212), (1080, 26409), (1620, 17606), (3240, 8803)]