263131680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1103}}^1$

素因数の和:1199

約数の個数: 192

約数和(自身を含む): 961486848

約数和(自身を除く): 698355168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 210, 213, 224, 240, 280, 284, 336, 355, 420, 426, 480, 497, 560, 568, 672, 710, 840, 852, 994, 1065, 1103, 1120, 1136, 1420, 1491, 1680, 1704, 1988, 2130, 2206, 2272, 2485, 2840, 2982, 3309, 3360, 3408, 3976, 4260, 4412, 4970, 5515, 5680, 5964, 6618, 6816, 7455, 7721, 7952, 8520, 8824, 9940, 11030, 11360, 11928, 13236, 14910, 15442, 15904, 16545, 17040, 17648, 19880, 22060, 23163, 23856, 26472, 29820, 30884, 33090, 34080, 35296, 38605, 39760, 44120, 46326, 47712, 52944, 59640, 61768, 66180, 77210, 78313, 79520, 88240, 92652, 105888, 115815, 119280, 123536, 132360, 154420, 156626, 176480, 185304, 231630, 234939, 238560, 247072, 264720, 308840, 313252, 370608, 391565, 463260, 469878, 529440, 548191, 617680, 626504, 741216, 783130, 926520, 939756, 1096382, 1174695, 1235360, 1253008, 1566260, 1644573, 1853040, 1879512, 2192764, 2349390, 2506016, 2740955, 3132520, 3289146, 3706080, 3759024, 4385528, 4698780, 5481910, 6265040, 6578292, 7518048, 8222865, 8771056, 9397560, 10963820, 12530080, 13156584, 16445730, 17542112, 18795120, 21927640, 26313168, 32891460, 37590240, 43855280, 52626336, 65782920, 87710560, 131565840, 263131680]

約数ペア:

[(1, 263131680), (2, 131565840), (3, 87710560), (4, 65782920), (5, 52626336), (6, 43855280), (7, 37590240), (8, 32891460), (10, 26313168), (12, 21927640), (14, 18795120), (15, 17542112), (16, 16445730), (20, 13156584), (21, 12530080), (24, 10963820), (28, 9397560), (30, 8771056), (32, 8222865), (35, 7518048), (40, 6578292), (42, 6265040), (48, 5481910), (56, 4698780), (60, 4385528), (70, 3759024), (71, 3706080), (80, 3289146), (84, 3132520), (96, 2740955), (105, 2506016), (112, 2349390), (120, 2192764), (140, 1879512), (142, 1853040), (160, 1644573), (168, 1566260), (210, 1253008), (213, 1235360), (224, 1174695), (240, 1096382), (280, 939756), (284, 926520), (336, 783130), (355, 741216), (420, 626504), (426, 617680), (480, 548191), (497, 529440), (560, 469878), (568, 463260), (672, 391565), (710, 370608), (840, 313252), (852, 308840), (994, 264720), (1065, 247072), (1103, 238560), (1120, 234939), (1136, 231630), (1420, 185304), (1491, 176480), (1680, 156626), (1704, 154420), (1988, 132360), (2130, 123536), (2206, 119280), (2272, 115815), (2485, 105888), (2840, 92652), (2982, 88240), (3309, 79520), (3360, 78313), (3408, 77210), (3976, 66180), (4260, 61768), (4412, 59640), (4970, 52944), (5515, 47712), (5680, 46326), (5964, 44120), (6618, 39760), (6816, 38605), (7455, 35296), (7721, 34080), (7952, 33090), (8520, 30884), (8824, 29820), (9940, 26472), (11030, 23856), (11360, 23163), (11928, 22060), (13236, 19880), (14910, 17648), (15442, 17040), (15904, 16545)]