248715480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 256

約数和(自身を含む): 858009600

約数和(自身を除く): 609294120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 37, 39, 40, 52, 60, 62, 65, 74, 78, 93, 104, 111, 120, 124, 130, 139, 148, 155, 156, 185, 186, 195, 222, 248, 260, 278, 296, 310, 312, 370, 372, 390, 403, 417, 444, 465, 481, 520, 555, 556, 620, 695, 740, 744, 780, 806, 834, 888, 930, 962, 1110, 1112, 1147, 1209, 1240, 1390, 1443, 1480, 1560, 1612, 1668, 1807, 1860, 1924, 2015, 2085, 2220, 2294, 2405, 2418, 2780, 2886, 3224, 3336, 3441, 3614, 3720, 3848, 4030, 4170, 4309, 4440, 4588, 4810, 4836, 5143, 5421, 5560, 5735, 5772, 6045, 6882, 7215, 7228, 8060, 8340, 8618, 9035, 9176, 9620, 9672, 10286, 10842, 11470, 11544, 12090, 12927, 13764, 14430, 14456, 14911, 15429, 16120, 16680, 17205, 17236, 18070, 19240, 20572, 21545, 21684, 22940, 24180, 25715, 25854, 27105, 27528, 28860, 29822, 30858, 34410, 34472, 36140, 41144, 43090, 43368, 44733, 45880, 48360, 51430, 51708, 54210, 56017, 57720, 59644, 61716, 64635, 66859, 68820, 72280, 74555, 77145, 86180, 89466, 102860, 103416, 108420, 112034, 119288, 123432, 129270, 133718, 137640, 149110, 154290, 159433, 168051, 172360, 178932, 200577, 205720, 216840, 223665, 224068, 258540, 267436, 280085, 298220, 308580, 318866, 334295, 336102, 357864, 401154, 447330, 448136, 478299, 517080, 534872, 560170, 596440, 617160, 637732, 668590, 672204, 797165, 802308, 840255, 894660, 956598, 1002885, 1120340, 1275464, 1337180, 1344408, 1594330, 1604616, 1680510, 1789320, 1913196, 2005770, 2072629, 2240680, 2391495, 2674360, 3188660, 3361020, 3826392, 4011540, 4145258, 4782990, 6217887, 6377320, 6722040, 8023080, 8290516, 9565980, 10363145, 12435774, 16581032, 19131960, 20726290, 24871548, 31089435, 41452580, 49743096, 62178870, 82905160, 124357740, 248715480]

約数ペア:

[(1, 248715480), (2, 124357740), (3, 82905160), (4, 62178870), (5, 49743096), (6, 41452580), (8, 31089435), (10, 24871548), (12, 20726290), (13, 19131960), (15, 16581032), (20, 12435774), (24, 10363145), (26, 9565980), (30, 8290516), (31, 8023080), (37, 6722040), (39, 6377320), (40, 6217887), (52, 4782990), (60, 4145258), (62, 4011540), (65, 3826392), (74, 3361020), (78, 3188660), (93, 2674360), (104, 2391495), (111, 2240680), (120, 2072629), (124, 2005770), (130, 1913196), (139, 1789320), (148, 1680510), (155, 1604616), (156, 1594330), (185, 1344408), (186, 1337180), (195, 1275464), (222, 1120340), (248, 1002885), (260, 956598), (278, 894660), (296, 840255), (310, 802308), (312, 797165), (370, 672204), (372, 668590), (390, 637732), (403, 617160), (417, 596440), (444, 560170), (465, 534872), (481, 517080), (520, 478299), (555, 448136), (556, 447330), (620, 401154), (695, 357864), (740, 336102), (744, 334295), (780, 318866), (806, 308580), (834, 298220), (888, 280085), (930, 267436), (962, 258540), (1110, 224068), (1112, 223665), (1147, 216840), (1209, 205720), (1240, 200577), (1390, 178932), (1443, 172360), (1480, 168051), (1560, 159433), (1612, 154290), (1668, 149110), (1807, 137640), (1860, 133718), (1924, 129270), (2015, 123432), (2085, 119288), (2220, 112034), (2294, 108420), (2405, 103416), (2418, 102860), (2780, 89466), (2886, 86180), (3224, 77145), (3336, 74555), (3441, 72280), (3614, 68820), (3720, 66859), (3848, 64635), (4030, 61716), (4170, 59644), (4309, 57720), (4440, 56017), (4588, 54210), (4810, 51708), (4836, 51430), (5143, 48360), (5421, 45880), (5560, 44733), (5735, 43368), (5772, 43090), (6045, 41144), (6882, 36140), (7215, 34472), (7228, 34410), (8060, 30858), (8340, 29822), (8618, 28860), (9035, 27528), (9176, 27105), (9620, 25854), (9672, 25715), (10286, 24180), (10842, 22940), (11470, 21684), (11544, 21545), (12090, 20572), (12927, 19240), (13764, 18070), (14430, 17236), (14456, 17205), (14911, 16680), (15429, 16120)]