28328580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22483}}^1$

素因数の和:22505

約数の個数: 72

約数和(自身を含む): 98210112

約数和(自身を除く): 69881532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22483, 44966, 67449, 89932, 112415, 134898, 157381, 202347, 224830, 269796, 314762, 337245, 404694, 449660, 472143, 629524, 674490, 786905, 809388, 944286, 1011735, 1348980, 1416429, 1573810, 1888572, 2023470, 2360715, 2832858, 3147620, 4046940, 4721430, 5665716, 7082145, 9442860, 14164290, 28328580]

約数ペア:

[(1, 28328580), (2, 14164290), (3, 9442860), (4, 7082145), (5, 5665716), (6, 4721430), (7, 4046940), (9, 3147620), (10, 2832858), (12, 2360715), (14, 2023470), (15, 1888572), (18, 1573810), (20, 1416429), (21, 1348980), (28, 1011735), (30, 944286), (35, 809388), (36, 786905), (42, 674490), (45, 629524), (60, 472143), (63, 449660), (70, 404694), (84, 337245), (90, 314762), (105, 269796), (126, 224830), (140, 202347), (180, 157381), (210, 134898), (252, 112415), (315, 89932), (420, 67449), (630, 44966), (1260, 22483)]