261278160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 320

約数和(自身を含む): 995936256

約数和(自身を除く): 734658096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 23, 24, 26, 30, 33, 39, 40, 44, 46, 48, 52, 55, 60, 65, 66, 69, 78, 80, 88, 92, 104, 110, 115, 120, 130, 132, 138, 143, 156, 165, 176, 184, 195, 208, 220, 230, 240, 253, 260, 264, 276, 286, 299, 312, 330, 331, 345, 368, 390, 429, 440, 460, 506, 520, 528, 552, 572, 598, 624, 660, 662, 690, 715, 759, 780, 858, 880, 897, 920, 993, 1012, 1040, 1104, 1144, 1196, 1265, 1320, 1324, 1380, 1430, 1495, 1518, 1560, 1655, 1716, 1794, 1840, 1986, 2024, 2145, 2288, 2392, 2530, 2640, 2648, 2760, 2860, 2990, 3036, 3120, 3289, 3310, 3432, 3588, 3641, 3795, 3972, 4048, 4290, 4303, 4485, 4784, 4965, 5060, 5296, 5520, 5720, 5980, 6072, 6578, 6620, 6864, 7176, 7282, 7590, 7613, 7944, 8580, 8606, 8970, 9867, 9930, 10120, 10923, 11440, 11960, 12144, 12909, 13156, 13240, 14352, 14564, 15180, 15226, 15888, 16445, 17160, 17212, 17940, 18205, 19734, 19860, 20240, 21515, 21846, 22839, 23920, 25818, 26312, 26480, 29128, 30360, 30452, 32890, 34320, 34424, 35880, 36410, 38065, 39468, 39720, 43030, 43692, 45678, 47333, 49335, 51636, 52624, 54615, 58256, 60720, 60904, 64545, 65780, 68848, 71760, 72820, 76130, 78936, 79440, 83743, 86060, 87384, 91356, 94666, 98670, 98969, 103272, 109230, 114195, 121808, 129090, 131560, 141999, 145640, 152260, 157872, 167486, 172120, 174768, 182712, 189332, 197340, 197938, 206544, 218460, 228390, 236665, 251229, 258180, 263120, 283998, 291280, 296907, 304520, 334972, 344240, 365424, 378664, 394680, 395876, 418715, 436920, 456780, 473330, 494845, 502458, 516360, 567996, 593814, 609040, 669944, 709995, 757328, 789360, 791752, 837430, 873840, 913560, 946660, 989690, 1004916, 1032720, 1088659, 1135992, 1187628, 1256145, 1339888, 1419990, 1484535, 1583504, 1674860, 1827120, 1893320, 1979380, 2009832, 2177318, 2271984, 2375256, 2512290, 2839980, 2969070, 3265977, 3349720, 3786640, 3958760, 4019664, 4354636, 4750512, 5024580, 5443295, 5679960, 5938140, 6531954, 6699440, 7917520, 8709272, 10049160, 10886590, 11359920, 11876280, 13063908, 16329885, 17418544, 20098320, 21773180, 23752560, 26127816, 32659770, 43546360, 52255632, 65319540, 87092720, 130639080, 261278160]

約数ペア:

[(1, 261278160), (2, 130639080), (3, 87092720), (4, 65319540), (5, 52255632), (6, 43546360), (8, 32659770), (10, 26127816), (11, 23752560), (12, 21773180), (13, 20098320), (15, 17418544), (16, 16329885), (20, 13063908), (22, 11876280), (23, 11359920), (24, 10886590), (26, 10049160), (30, 8709272), (33, 7917520), (39, 6699440), (40, 6531954), (44, 5938140), (46, 5679960), (48, 5443295), (52, 5024580), (55, 4750512), (60, 4354636), (65, 4019664), (66, 3958760), (69, 3786640), (78, 3349720), (80, 3265977), (88, 2969070), (92, 2839980), (104, 2512290), (110, 2375256), (115, 2271984), (120, 2177318), (130, 2009832), (132, 1979380), (138, 1893320), (143, 1827120), (156, 1674860), (165, 1583504), (176, 1484535), (184, 1419990), (195, 1339888), (208, 1256145), (220, 1187628), (230, 1135992), (240, 1088659), (253, 1032720), (260, 1004916), (264, 989690), (276, 946660), (286, 913560), (299, 873840), (312, 837430), (330, 791752), (331, 789360), (345, 757328), (368, 709995), (390, 669944), (429, 609040), (440, 593814), (460, 567996), (506, 516360), (520, 502458), (528, 494845), (552, 473330), (572, 456780), (598, 436920), (624, 418715), (660, 395876), (662, 394680), (690, 378664), (715, 365424), (759, 344240), (780, 334972), (858, 304520), (880, 296907), (897, 291280), (920, 283998), (993, 263120), (1012, 258180), (1040, 251229), (1104, 236665), (1144, 228390), (1196, 218460), (1265, 206544), (1320, 197938), (1324, 197340), (1380, 189332), (1430, 182712), (1495, 174768), (1518, 172120), (1560, 167486), (1655, 157872), (1716, 152260), (1794, 145640), (1840, 141999), (1986, 131560), (2024, 129090), (2145, 121808), (2288, 114195), (2392, 109230), (2530, 103272), (2640, 98969), (2648, 98670), (2760, 94666), (2860, 91356), (2990, 87384), (3036, 86060), (3120, 83743), (3289, 79440), (3310, 78936), (3432, 76130), (3588, 72820), (3641, 71760), (3795, 68848), (3972, 65780), (4048, 64545), (4290, 60904), (4303, 60720), (4485, 58256), (4784, 54615), (4965, 52624), (5060, 51636), (5296, 49335), (5520, 47333), (5720, 45678), (5980, 43692), (6072, 43030), (6578, 39720), (6620, 39468), (6864, 38065), (7176, 36410), (7282, 35880), (7590, 34424), (7613, 34320), (7944, 32890), (8580, 30452), (8606, 30360), (8970, 29128), (9867, 26480), (9930, 26312), (10120, 25818), (10923, 23920), (11440, 22839), (11960, 21846), (12144, 21515), (12909, 20240), (13156, 19860), (13240, 19734), (14352, 18205), (14564, 17940), (15180, 17212), (15226, 17160), (15888, 16445)]