1639440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:59

約数の個数: 200

約数和(自身を含む): 6481728

約数和(自身を除く): 4842288

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 27, 30, 33, 36, 40, 44, 45, 46, 48, 54, 55, 60, 66, 69, 72, 80, 81, 88, 90, 92, 99, 108, 110, 115, 120, 132, 135, 138, 144, 162, 165, 176, 180, 184, 198, 207, 216, 220, 230, 240, 253, 264, 270, 276, 297, 324, 330, 345, 360, 368, 396, 405, 414, 432, 440, 460, 495, 506, 528, 540, 552, 594, 621, 648, 660, 690, 720, 759, 792, 810, 828, 880, 891, 920, 990, 1012, 1035, 1080, 1104, 1188, 1242, 1265, 1296, 1320, 1380, 1485, 1518, 1584, 1620, 1656, 1782, 1840, 1863, 1980, 2024, 2070, 2160, 2277, 2376, 2484, 2530, 2640, 2760, 2970, 3036, 3105, 3240, 3312, 3564, 3726, 3795, 3960, 4048, 4140, 4455, 4554, 4752, 4968, 5060, 5520, 5940, 6072, 6210, 6480, 6831, 7128, 7452, 7590, 7920, 8280, 8910, 9108, 9315, 9936, 10120, 11385, 11880, 12144, 12420, 13662, 14256, 14904, 15180, 16560, 17820, 18216, 18630, 20240, 20493, 22770, 23760, 24840, 27324, 29808, 30360, 34155, 35640, 36432, 37260, 40986, 45540, 49680, 54648, 60720, 68310, 71280, 74520, 81972, 91080, 102465, 109296, 136620, 149040, 163944, 182160, 204930, 273240, 327888, 409860, 546480, 819720, 1639440]

約数ペア:

[(1, 1639440), (2, 819720), (3, 546480), (4, 409860), (5, 327888), (6, 273240), (8, 204930), (9, 182160), (10, 163944), (11, 149040), (12, 136620), (15, 109296), (16, 102465), (18, 91080), (20, 81972), (22, 74520), (23, 71280), (24, 68310), (27, 60720), (30, 54648), (33, 49680), (36, 45540), (40, 40986), (44, 37260), (45, 36432), (46, 35640), (48, 34155), (54, 30360), (55, 29808), (60, 27324), (66, 24840), (69, 23760), (72, 22770), (80, 20493), (81, 20240), (88, 18630), (90, 18216), (92, 17820), (99, 16560), (108, 15180), (110, 14904), (115, 14256), (120, 13662), (132, 12420), (135, 12144), (138, 11880), (144, 11385), (162, 10120), (165, 9936), (176, 9315), (180, 9108), (184, 8910), (198, 8280), (207, 7920), (216, 7590), (220, 7452), (230, 7128), (240, 6831), (253, 6480), (264, 6210), (270, 6072), (276, 5940), (297, 5520), (324, 5060), (330, 4968), (345, 4752), (360, 4554), (368, 4455), (396, 4140), (405, 4048), (414, 3960), (432, 3795), (440, 3726), (460, 3564), (495, 3312), (506, 3240), (528, 3105), (540, 3036), (552, 2970), (594, 2760), (621, 2640), (648, 2530), (660, 2484), (690, 2376), (720, 2277), (759, 2160), (792, 2070), (810, 2024), (828, 1980), (880, 1863), (891, 1840), (920, 1782), (990, 1656), (1012, 1620), (1035, 1584), (1080, 1518), (1104, 1485), (1188, 1380), (1242, 1320), (1265, 1296)]