31151640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1097

約数の個数: 128

約数和(自身を含む): 106041600

約数和(自身を除く): 74889960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1051, 1140, 1235, 1482, 1560, 1976, 2102, 2280, 2470, 2964, 3153, 3705, 4204, 4940, 5255, 5928, 6306, 7410, 8408, 9880, 10510, 12612, 13663, 14820, 15765, 19969, 21020, 25224, 27326, 29640, 31530, 39938, 40989, 42040, 54652, 59907, 63060, 68315, 79876, 81978, 99845, 109304, 119814, 126120, 136630, 159752, 163956, 199690, 204945, 239628, 259597, 273260, 299535, 327912, 399380, 409890, 479256, 519194, 546520, 599070, 778791, 798760, 819780, 1038388, 1198140, 1297985, 1557582, 1639560, 2076776, 2396280, 2595970, 3115164, 3893955, 5191940, 6230328, 7787910, 10383880, 15575820, 31151640]

約数ペア:

[(1, 31151640), (2, 15575820), (3, 10383880), (4, 7787910), (5, 6230328), (6, 5191940), (8, 3893955), (10, 3115164), (12, 2595970), (13, 2396280), (15, 2076776), (19, 1639560), (20, 1557582), (24, 1297985), (26, 1198140), (30, 1038388), (38, 819780), (39, 798760), (40, 778791), (52, 599070), (57, 546520), (60, 519194), (65, 479256), (76, 409890), (78, 399380), (95, 327912), (104, 299535), (114, 273260), (120, 259597), (130, 239628), (152, 204945), (156, 199690), (190, 163956), (195, 159752), (228, 136630), (247, 126120), (260, 119814), (285, 109304), (312, 99845), (380, 81978), (390, 79876), (456, 68315), (494, 63060), (520, 59907), (570, 54652), (741, 42040), (760, 40989), (780, 39938), (988, 31530), (1051, 29640), (1140, 27326), (1235, 25224), (1482, 21020), (1560, 19969), (1976, 15765), (2102, 14820), (2280, 13663), (2470, 12612), (2964, 10510), (3153, 9880), (3705, 8408), (4204, 7410), (4940, 6306), (5255, 5928)]