66626840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1597}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 172584000

約数和(自身を除く): 105957160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 1597, 2086, 2980, 3194, 4172, 5215, 5960, 6388, 7985, 8344, 10430, 11179, 12776, 15970, 20860, 22358, 31940, 41720, 44716, 55895, 63880, 89432, 111790, 223580, 237953, 447160, 475906, 951812, 1189765, 1665671, 1903624, 2379530, 3331342, 4759060, 6662684, 8328355, 9518120, 13325368, 16656710, 33313420, 66626840]

約数ペア:

[(1, 66626840), (2, 33313420), (4, 16656710), (5, 13325368), (7, 9518120), (8, 8328355), (10, 6662684), (14, 4759060), (20, 3331342), (28, 2379530), (35, 1903624), (40, 1665671), (56, 1189765), (70, 951812), (140, 475906), (149, 447160), (280, 237953), (298, 223580), (596, 111790), (745, 89432), (1043, 63880), (1192, 55895), (1490, 44716), (1597, 41720), (2086, 31940), (2980, 22358), (3194, 20860), (4172, 15970), (5215, 12776), (5960, 11179), (6388, 10430), (7985, 8344)]