31354440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 102816000

約数和(自身を除く): 71461560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 101, 104, 120, 130, 156, 195, 199, 202, 260, 303, 312, 390, 398, 404, 505, 520, 597, 606, 780, 796, 808, 995, 1010, 1194, 1212, 1313, 1515, 1560, 1592, 1990, 2020, 2388, 2424, 2587, 2626, 2985, 3030, 3939, 3980, 4040, 4776, 5174, 5252, 5970, 6060, 6565, 7761, 7878, 7960, 10348, 10504, 11940, 12120, 12935, 13130, 15522, 15756, 19695, 20099, 20696, 23880, 25870, 26260, 31044, 31512, 38805, 39390, 40198, 51740, 52520, 60297, 62088, 77610, 78780, 80396, 100495, 103480, 120594, 155220, 157560, 160792, 200990, 241188, 261287, 301485, 310440, 401980, 482376, 522574, 602970, 783861, 803960, 1045148, 1205940, 1306435, 1567722, 2090296, 2411880, 2612870, 3135444, 3919305, 5225740, 6270888, 7838610, 10451480, 15677220, 31354440]

約数ペア:

[(1, 31354440), (2, 15677220), (3, 10451480), (4, 7838610), (5, 6270888), (6, 5225740), (8, 3919305), (10, 3135444), (12, 2612870), (13, 2411880), (15, 2090296), (20, 1567722), (24, 1306435), (26, 1205940), (30, 1045148), (39, 803960), (40, 783861), (52, 602970), (60, 522574), (65, 482376), (78, 401980), (101, 310440), (104, 301485), (120, 261287), (130, 241188), (156, 200990), (195, 160792), (199, 157560), (202, 155220), (260, 120594), (303, 103480), (312, 100495), (390, 80396), (398, 78780), (404, 77610), (505, 62088), (520, 60297), (597, 52520), (606, 51740), (780, 40198), (796, 39390), (808, 38805), (995, 31512), (1010, 31044), (1194, 26260), (1212, 25870), (1313, 23880), (1515, 20696), (1560, 20099), (1592, 19695), (1990, 15756), (2020, 15522), (2388, 13130), (2424, 12935), (2587, 12120), (2626, 11940), (2985, 10504), (3030, 10348), (3939, 7960), (3980, 7878), (4040, 7761), (4776, 6565), (5174, 6060), (5252, 5970)]