28677320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 79280640

約数和(自身を除く): 50603320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 73, 92, 115, 122, 140, 146, 161, 184, 230, 244, 280, 292, 305, 322, 365, 427, 460, 488, 511, 584, 610, 644, 730, 805, 854, 920, 1022, 1220, 1288, 1403, 1460, 1610, 1679, 1708, 2044, 2135, 2440, 2555, 2806, 2920, 3220, 3358, 3416, 4088, 4270, 4453, 5110, 5612, 6440, 6716, 7015, 8395, 8540, 8906, 9821, 10220, 11224, 11753, 13432, 14030, 16790, 17080, 17812, 19642, 20440, 22265, 23506, 28060, 31171, 33580, 35624, 39284, 44530, 47012, 49105, 56120, 58765, 62342, 67160, 78568, 89060, 94024, 98210, 102419, 117530, 124684, 155855, 178120, 196420, 204838, 235060, 249368, 311710, 392840, 409676, 470120, 512095, 623420, 716933, 819352, 1024190, 1246840, 1433866, 2048380, 2867732, 3584665, 4096760, 5735464, 7169330, 14338660, 28677320]

約数ペア:

[(1, 28677320), (2, 14338660), (4, 7169330), (5, 5735464), (7, 4096760), (8, 3584665), (10, 2867732), (14, 2048380), (20, 1433866), (23, 1246840), (28, 1024190), (35, 819352), (40, 716933), (46, 623420), (56, 512095), (61, 470120), (70, 409676), (73, 392840), (92, 311710), (115, 249368), (122, 235060), (140, 204838), (146, 196420), (161, 178120), (184, 155855), (230, 124684), (244, 117530), (280, 102419), (292, 98210), (305, 94024), (322, 89060), (365, 78568), (427, 67160), (460, 62342), (488, 58765), (511, 56120), (584, 49105), (610, 47012), (644, 44530), (730, 39284), (805, 35624), (854, 33580), (920, 31171), (1022, 28060), (1220, 23506), (1288, 22265), (1403, 20440), (1460, 19642), (1610, 17812), (1679, 17080), (1708, 16790), (2044, 14030), (2135, 13432), (2440, 11753), (2555, 11224), (2806, 10220), (2920, 9821), (3220, 8906), (3358, 8540), (3416, 8395), (4088, 7015), (4270, 6716), (4453, 6440), (5110, 5612)]