8271720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 192

約数和(自身を含む): 29877120

約数和(自身を除く): 21605400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 37, 40, 45, 46, 54, 60, 69, 72, 74, 81, 90, 92, 108, 111, 115, 120, 135, 138, 148, 162, 180, 184, 185, 207, 216, 222, 230, 243, 270, 276, 296, 324, 333, 345, 360, 370, 405, 414, 444, 460, 486, 540, 552, 555, 621, 648, 666, 690, 740, 810, 828, 851, 888, 920, 972, 999, 1035, 1080, 1110, 1215, 1242, 1332, 1380, 1480, 1620, 1656, 1665, 1702, 1863, 1944, 1998, 2070, 2220, 2430, 2484, 2553, 2664, 2760, 2997, 3105, 3240, 3330, 3404, 3726, 3996, 4140, 4255, 4440, 4860, 4968, 4995, 5106, 5589, 5994, 6210, 6660, 6808, 7452, 7659, 7992, 8280, 8510, 8991, 9315, 9720, 9990, 10212, 11178, 11988, 12420, 12765, 13320, 14904, 14985, 15318, 17020, 17982, 18630, 19980, 20424, 22356, 22977, 23976, 24840, 25530, 27945, 29970, 30636, 34040, 35964, 37260, 38295, 39960, 44712, 44955, 45954, 51060, 55890, 59940, 61272, 68931, 71928, 74520, 76590, 89910, 91908, 102120, 111780, 114885, 119880, 137862, 153180, 179820, 183816, 206793, 223560, 229770, 275724, 306360, 344655, 359640, 413586, 459540, 551448, 689310, 827172, 919080, 1033965, 1378620, 1654344, 2067930, 2757240, 4135860, 8271720]

約数ペア:

[(1, 8271720), (2, 4135860), (3, 2757240), (4, 2067930), (5, 1654344), (6, 1378620), (8, 1033965), (9, 919080), (10, 827172), (12, 689310), (15, 551448), (18, 459540), (20, 413586), (23, 359640), (24, 344655), (27, 306360), (30, 275724), (36, 229770), (37, 223560), (40, 206793), (45, 183816), (46, 179820), (54, 153180), (60, 137862), (69, 119880), (72, 114885), (74, 111780), (81, 102120), (90, 91908), (92, 89910), (108, 76590), (111, 74520), (115, 71928), (120, 68931), (135, 61272), (138, 59940), (148, 55890), (162, 51060), (180, 45954), (184, 44955), (185, 44712), (207, 39960), (216, 38295), (222, 37260), (230, 35964), (243, 34040), (270, 30636), (276, 29970), (296, 27945), (324, 25530), (333, 24840), (345, 23976), (360, 22977), (370, 22356), (405, 20424), (414, 19980), (444, 18630), (460, 17982), (486, 17020), (540, 15318), (552, 14985), (555, 14904), (621, 13320), (648, 12765), (666, 12420), (690, 11988), (740, 11178), (810, 10212), (828, 9990), (851, 9720), (888, 9315), (920, 8991), (972, 8510), (999, 8280), (1035, 7992), (1080, 7659), (1110, 7452), (1215, 6808), (1242, 6660), (1332, 6210), (1380, 5994), (1480, 5589), (1620, 5106), (1656, 4995), (1665, 4968), (1702, 4860), (1863, 4440), (1944, 4255), (1998, 4140), (2070, 3996), (2220, 3726), (2430, 3404), (2484, 3330), (2553, 3240), (2664, 3105), (2760, 2997)]