1555667640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21499}}^1$

素因数の和:21586

約数の個数: 128

約数和(自身を含む): 5263200000

約数和(自身を除く): 3707532360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 67, 72, 90, 108, 120, 134, 135, 180, 201, 216, 268, 270, 335, 360, 402, 536, 540, 603, 670, 804, 1005, 1080, 1206, 1340, 1608, 1809, 2010, 2412, 2680, 3015, 3618, 4020, 4824, 6030, 7236, 8040, 9045, 12060, 14472, 18090, 21499, 24120, 36180, 42998, 64497, 72360, 85996, 107495, 128994, 171992, 193491, 214990, 257988, 322485, 386982, 429980, 515976, 580473, 644970, 773964, 859960, 967455, 1160946, 1289940, 1440433, 1547928, 1934910, 2321892, 2579880, 2880866, 2902365, 3869820, 4321299, 4643784, 5761732, 5804730, 7202165, 7739640, 8642598, 11523464, 11609460, 12963897, 14404330, 17285196, 21606495, 23218920, 25927794, 28808660, 34570392, 38891691, 43212990, 51855588, 57617320, 64819485, 77783382, 86425980, 103711176, 129638970, 155566764, 172851960, 194458455, 259277940, 311133528, 388916910, 518555880, 777833820, 1555667640]

約数ペア:

[(1, 1555667640), (2, 777833820), (3, 518555880), (4, 388916910), (5, 311133528), (6, 259277940), (8, 194458455), (9, 172851960), (10, 155566764), (12, 129638970), (15, 103711176), (18, 86425980), (20, 77783382), (24, 64819485), (27, 57617320), (30, 51855588), (36, 43212990), (40, 38891691), (45, 34570392), (54, 28808660), (60, 25927794), (67, 23218920), (72, 21606495), (90, 17285196), (108, 14404330), (120, 12963897), (134, 11609460), (135, 11523464), (180, 8642598), (201, 7739640), (216, 7202165), (268, 5804730), (270, 5761732), (335, 4643784), (360, 4321299), (402, 3869820), (536, 2902365), (540, 2880866), (603, 2579880), (670, 2321892), (804, 1934910), (1005, 1547928), (1080, 1440433), (1206, 1289940), (1340, 1160946), (1608, 967455), (1809, 859960), (2010, 773964), (2412, 644970), (2680, 580473), (3015, 515976), (3618, 429980), (4020, 386982), (4824, 322485), (6030, 257988), (7236, 214990), (8040, 193491), (9045, 171992), (12060, 128994), (14472, 107495), (18090, 85996), (21499, 72360), (24120, 64497), (36180, 42998)]