7992040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 23016960

約数和(自身を除く): 15024920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 73, 85, 92, 115, 119, 136, 140, 146, 161, 170, 184, 230, 238, 280, 292, 322, 340, 365, 391, 460, 476, 511, 584, 595, 644, 680, 730, 782, 805, 920, 952, 1022, 1190, 1241, 1288, 1460, 1564, 1610, 1679, 1955, 2044, 2380, 2482, 2555, 2737, 2920, 3128, 3220, 3358, 3910, 4088, 4760, 4964, 5110, 5474, 6205, 6440, 6716, 7820, 8395, 8687, 9928, 10220, 10948, 11753, 12410, 13432, 13685, 15640, 16790, 17374, 20440, 21896, 23506, 24820, 27370, 28543, 33580, 34748, 43435, 47012, 49640, 54740, 57086, 58765, 67160, 69496, 86870, 94024, 109480, 114172, 117530, 142715, 173740, 199801, 228344, 235060, 285430, 347480, 399602, 470120, 570860, 799204, 999005, 1141720, 1598408, 1998010, 3996020, 7992040]

約数ペア:

[(1, 7992040), (2, 3996020), (4, 1998010), (5, 1598408), (7, 1141720), (8, 999005), (10, 799204), (14, 570860), (17, 470120), (20, 399602), (23, 347480), (28, 285430), (34, 235060), (35, 228344), (40, 199801), (46, 173740), (56, 142715), (68, 117530), (70, 114172), (73, 109480), (85, 94024), (92, 86870), (115, 69496), (119, 67160), (136, 58765), (140, 57086), (146, 54740), (161, 49640), (170, 47012), (184, 43435), (230, 34748), (238, 33580), (280, 28543), (292, 27370), (322, 24820), (340, 23506), (365, 21896), (391, 20440), (460, 17374), (476, 16790), (511, 15640), (584, 13685), (595, 13432), (644, 12410), (680, 11753), (730, 10948), (782, 10220), (805, 9928), (920, 8687), (952, 8395), (1022, 7820), (1190, 6716), (1241, 6440), (1288, 6205), (1460, 5474), (1564, 5110), (1610, 4964), (1679, 4760), (1955, 4088), (2044, 3910), (2380, 3358), (2482, 3220), (2555, 3128), (2737, 2920)]