28347180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^2$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 82245072

約数和(自身を除く): 53897892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 113, 148, 185, 222, 226, 339, 370, 444, 452, 555, 565, 678, 740, 1110, 1130, 1356, 1695, 2220, 2260, 3390, 4181, 6780, 8362, 12543, 12769, 16724, 20905, 25086, 25538, 38307, 41810, 50172, 51076, 62715, 63845, 76614, 83620, 125430, 127690, 153228, 191535, 250860, 255380, 383070, 472453, 766140, 944906, 1417359, 1889812, 2362265, 2834718, 4724530, 5669436, 7086795, 9449060, 14173590, 28347180]

約数ペア:

[(1, 28347180), (2, 14173590), (3, 9449060), (4, 7086795), (5, 5669436), (6, 4724530), (10, 2834718), (12, 2362265), (15, 1889812), (20, 1417359), (30, 944906), (37, 766140), (60, 472453), (74, 383070), (111, 255380), (113, 250860), (148, 191535), (185, 153228), (222, 127690), (226, 125430), (339, 83620), (370, 76614), (444, 63845), (452, 62715), (555, 51076), (565, 50172), (678, 41810), (740, 38307), (1110, 25538), (1130, 25086), (1356, 20905), (1695, 16724), (2220, 12769), (2260, 12543), (3390, 8362), (4181, 6780)]