31416280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 86313600

約数和(自身を除く): 54897320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 53, 56, 58, 70, 73, 106, 116, 140, 145, 146, 203, 212, 232, 265, 280, 290, 292, 365, 371, 406, 424, 511, 530, 580, 584, 730, 742, 812, 1015, 1022, 1060, 1160, 1460, 1484, 1537, 1624, 1855, 2030, 2044, 2117, 2120, 2555, 2920, 2968, 3074, 3710, 3869, 4060, 4088, 4234, 5110, 6148, 7420, 7685, 7738, 8120, 8468, 10220, 10585, 10759, 12296, 14819, 14840, 15370, 15476, 16936, 19345, 20440, 21170, 21518, 27083, 29638, 30740, 30952, 38690, 42340, 43036, 53795, 54166, 59276, 61480, 74095, 77380, 84680, 86072, 107590, 108332, 112201, 118552, 135415, 148190, 154760, 215180, 216664, 224402, 270830, 296380, 430360, 448804, 541660, 561005, 592760, 785407, 897608, 1083320, 1122010, 1570814, 2244020, 3141628, 3927035, 4488040, 6283256, 7854070, 15708140, 31416280]

約数ペア:

[(1, 31416280), (2, 15708140), (4, 7854070), (5, 6283256), (7, 4488040), (8, 3927035), (10, 3141628), (14, 2244020), (20, 1570814), (28, 1122010), (29, 1083320), (35, 897608), (40, 785407), (53, 592760), (56, 561005), (58, 541660), (70, 448804), (73, 430360), (106, 296380), (116, 270830), (140, 224402), (145, 216664), (146, 215180), (203, 154760), (212, 148190), (232, 135415), (265, 118552), (280, 112201), (290, 108332), (292, 107590), (365, 86072), (371, 84680), (406, 77380), (424, 74095), (511, 61480), (530, 59276), (580, 54166), (584, 53795), (730, 43036), (742, 42340), (812, 38690), (1015, 30952), (1022, 30740), (1060, 29638), (1160, 27083), (1460, 21518), (1484, 21170), (1537, 20440), (1624, 19345), (1855, 16936), (2030, 15476), (2044, 15370), (2117, 14840), (2120, 14819), (2555, 12296), (2920, 10759), (2968, 10585), (3074, 10220), (3710, 8468), (3869, 8120), (4060, 7738), (4088, 7685), (4234, 7420), (5110, 6148)]