31003080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 68529720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 239, 276, 282, 345, 376, 460, 470, 478, 552, 564, 690, 705, 717, 920, 940, 956, 1081, 1128, 1195, 1380, 1410, 1434, 1880, 1912, 2162, 2390, 2760, 2820, 2868, 3243, 3585, 4324, 4780, 5405, 5497, 5640, 5736, 6486, 7170, 8648, 9560, 10810, 10994, 11233, 12972, 14340, 16215, 16491, 21620, 21988, 22466, 25944, 27485, 28680, 32430, 32982, 33699, 43240, 43976, 44932, 54970, 56165, 64860, 65964, 67398, 82455, 89864, 109940, 112330, 129720, 131928, 134796, 164910, 168495, 219880, 224660, 258359, 269592, 329820, 336990, 449320, 516718, 659640, 673980, 775077, 1033436, 1291795, 1347960, 1550154, 2066872, 2583590, 3100308, 3875385, 5167180, 6200616, 7750770, 10334360, 15501540, 31003080]

約数ペア:

[(1, 31003080), (2, 15501540), (3, 10334360), (4, 7750770), (5, 6200616), (6, 5167180), (8, 3875385), (10, 3100308), (12, 2583590), (15, 2066872), (20, 1550154), (23, 1347960), (24, 1291795), (30, 1033436), (40, 775077), (46, 673980), (47, 659640), (60, 516718), (69, 449320), (92, 336990), (94, 329820), (115, 269592), (120, 258359), (138, 224660), (141, 219880), (184, 168495), (188, 164910), (230, 134796), (235, 131928), (239, 129720), (276, 112330), (282, 109940), (345, 89864), (376, 82455), (460, 67398), (470, 65964), (478, 64860), (552, 56165), (564, 54970), (690, 44932), (705, 43976), (717, 43240), (920, 33699), (940, 32982), (956, 32430), (1081, 28680), (1128, 27485), (1195, 25944), (1380, 22466), (1410, 21988), (1434, 21620), (1880, 16491), (1912, 16215), (2162, 14340), (2390, 12972), (2760, 11233), (2820, 10994), (2868, 10810), (3243, 9560), (3585, 8648), (4324, 7170), (4780, 6486), (5405, 5736), (5497, 5640)]