161509920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 288

約数和(自身を含む): 604304064

約数和(自身を除く): 442794144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 169, 176, 181, 195, 208, 220, 240, 260, 264, 286, 312, 330, 338, 352, 362, 390, 416, 429, 440, 480, 507, 520, 528, 543, 572, 624, 660, 676, 715, 724, 780, 845, 858, 880, 905, 1014, 1040, 1056, 1086, 1144, 1248, 1320, 1352, 1430, 1448, 1560, 1690, 1716, 1760, 1810, 1859, 1991, 2028, 2080, 2145, 2172, 2288, 2353, 2535, 2640, 2704, 2715, 2860, 2896, 3120, 3380, 3432, 3620, 3718, 3982, 4056, 4290, 4344, 4576, 4706, 5070, 5280, 5408, 5430, 5577, 5720, 5792, 5973, 6240, 6760, 6864, 7059, 7240, 7436, 7964, 8112, 8580, 8688, 9295, 9412, 9955, 10140, 10860, 11154, 11440, 11765, 11946, 13520, 13728, 14118, 14480, 14872, 15928, 16224, 17160, 17376, 18590, 18824, 19910, 20280, 21720, 22308, 22880, 23530, 23892, 25883, 27040, 27885, 28236, 28960, 29744, 29865, 30589, 31856, 34320, 35295, 37180, 37648, 39820, 40560, 43440, 44616, 47060, 47784, 51766, 55770, 56472, 59488, 59730, 61178, 63712, 68640, 70590, 74360, 75296, 77649, 79640, 81120, 86880, 89232, 91767, 94120, 95568, 103532, 111540, 112944, 119460, 122356, 129415, 141180, 148720, 152945, 155298, 159280, 178464, 183534, 188240, 191136, 207064, 223080, 225888, 238920, 244712, 258830, 282360, 297440, 305890, 310596, 318560, 336479, 367068, 376480, 388245, 414128, 446160, 458835, 477840, 489424, 517660, 564720, 611780, 621192, 672958, 734136, 776490, 828256, 892320, 917670, 955680, 978848, 1009437, 1035320, 1129440, 1223560, 1242384, 1345916, 1468272, 1552980, 1682395, 1835340, 2018874, 2070640, 2447120, 2484768, 2691832, 2936544, 3105960, 3364790, 3670680, 4037748, 4141280, 4894240, 5047185, 5383664, 6211920, 6729580, 7341360, 8075496, 10094370, 10767328, 12423840, 13459160, 14682720, 16150992, 20188740, 26918320, 32301984, 40377480, 53836640, 80754960, 161509920]

約数ペア:

[(1, 161509920), (2, 80754960), (3, 53836640), (4, 40377480), (5, 32301984), (6, 26918320), (8, 20188740), (10, 16150992), (11, 14682720), (12, 13459160), (13, 12423840), (15, 10767328), (16, 10094370), (20, 8075496), (22, 7341360), (24, 6729580), (26, 6211920), (30, 5383664), (32, 5047185), (33, 4894240), (39, 4141280), (40, 4037748), (44, 3670680), (48, 3364790), (52, 3105960), (55, 2936544), (60, 2691832), (65, 2484768), (66, 2447120), (78, 2070640), (80, 2018874), (88, 1835340), (96, 1682395), (104, 1552980), (110, 1468272), (120, 1345916), (130, 1242384), (132, 1223560), (143, 1129440), (156, 1035320), (160, 1009437), (165, 978848), (169, 955680), (176, 917670), (181, 892320), (195, 828256), (208, 776490), (220, 734136), (240, 672958), (260, 621192), (264, 611780), (286, 564720), (312, 517660), (330, 489424), (338, 477840), (352, 458835), (362, 446160), (390, 414128), (416, 388245), (429, 376480), (440, 367068), (480, 336479), (507, 318560), (520, 310596), (528, 305890), (543, 297440), (572, 282360), (624, 258830), (660, 244712), (676, 238920), (715, 225888), (724, 223080), (780, 207064), (845, 191136), (858, 188240), (880, 183534), (905, 178464), (1014, 159280), (1040, 155298), (1056, 152945), (1086, 148720), (1144, 141180), (1248, 129415), (1320, 122356), (1352, 119460), (1430, 112944), (1448, 111540), (1560, 103532), (1690, 95568), (1716, 94120), (1760, 91767), (1810, 89232), (1859, 86880), (1991, 81120), (2028, 79640), (2080, 77649), (2145, 75296), (2172, 74360), (2288, 70590), (2353, 68640), (2535, 63712), (2640, 61178), (2704, 59730), (2715, 59488), (2860, 56472), (2896, 55770), (3120, 51766), (3380, 47784), (3432, 47060), (3620, 44616), (3718, 43440), (3982, 40560), (4056, 39820), (4290, 37648), (4344, 37180), (4576, 35295), (4706, 34320), (5070, 31856), (5280, 30589), (5408, 29865), (5430, 29744), (5577, 28960), (5720, 28236), (5792, 27885), (5973, 27040), (6240, 25883), (6760, 23892), (6864, 23530), (7059, 22880), (7240, 22308), (7436, 21720), (7964, 20280), (8112, 19910), (8580, 18824), (8688, 18590), (9295, 17376), (9412, 17160), (9955, 16224), (10140, 15928), (10860, 14872), (11154, 14480), (11440, 14118), (11765, 13728), (11946, 13520)]