263121180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2944

約数の個数: 144

約数和(自身を含む): 884975616

約数和(自身を除く): 621854436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2887, 2940, 3038, 3255, 4340, 4557, 5774, 6076, 6510, 7595, 8661, 9114, 11548, 13020, 14435, 15190, 17322, 18228, 20209, 22785, 28870, 30380, 34644, 40418, 43305, 45570, 57740, 60627, 80836, 86610, 89497, 91140, 101045, 121254, 141463, 173220, 178994, 202090, 242508, 268491, 282926, 303135, 357988, 404180, 424389, 447485, 536982, 565852, 606270, 626479, 707315, 848778, 894970, 1073964, 1212540, 1252958, 1342455, 1414630, 1697556, 1789940, 1879437, 2121945, 2505916, 2684910, 2829260, 3132395, 3758874, 4243890, 4385353, 5369820, 6264790, 7517748, 8487780, 8770706, 9397185, 12529580, 13156059, 17541412, 18794370, 21926765, 26312118, 37588740, 43853530, 52624236, 65780295, 87707060, 131560590, 263121180]

約数ペア:

[(1, 263121180), (2, 131560590), (3, 87707060), (4, 65780295), (5, 52624236), (6, 43853530), (7, 37588740), (10, 26312118), (12, 21926765), (14, 18794370), (15, 17541412), (20, 13156059), (21, 12529580), (28, 9397185), (30, 8770706), (31, 8487780), (35, 7517748), (42, 6264790), (49, 5369820), (60, 4385353), (62, 4243890), (70, 3758874), (84, 3132395), (93, 2829260), (98, 2684910), (105, 2505916), (124, 2121945), (140, 1879437), (147, 1789940), (155, 1697556), (186, 1414630), (196, 1342455), (210, 1252958), (217, 1212540), (245, 1073964), (294, 894970), (310, 848778), (372, 707315), (420, 626479), (434, 606270), (465, 565852), (490, 536982), (588, 447485), (620, 424389), (651, 404180), (735, 357988), (868, 303135), (930, 282926), (980, 268491), (1085, 242508), (1302, 202090), (1470, 178994), (1519, 173220), (1860, 141463), (2170, 121254), (2604, 101045), (2887, 91140), (2940, 89497), (3038, 86610), (3255, 80836), (4340, 60627), (4557, 57740), (5774, 45570), (6076, 43305), (6510, 40418), (7595, 34644), (8661, 30380), (9114, 28870), (11548, 22785), (13020, 20209), (14435, 18228), (15190, 17322)]