819720

素因数分解:

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

素因数の和:57

約数の個数: 160

約数和(自身を含む): 3136320

約数和(自身を除く): 2316600

約数列:

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

約数ペア:

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