81823560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 256

約数和(自身を含む): 309657600

約数和(自身を除く): 227834040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 59, 60, 65, 70, 78, 84, 91, 104, 105, 118, 120, 127, 130, 140, 156, 168, 177, 182, 195, 210, 236, 254, 260, 273, 280, 295, 312, 354, 364, 381, 390, 413, 420, 455, 472, 508, 520, 546, 590, 635, 708, 728, 762, 767, 780, 826, 840, 885, 889, 910, 1016, 1092, 1180, 1239, 1270, 1365, 1416, 1524, 1534, 1560, 1651, 1652, 1770, 1778, 1820, 1905, 2065, 2184, 2301, 2360, 2478, 2540, 2667, 2730, 3048, 3068, 3302, 3304, 3540, 3556, 3640, 3810, 3835, 4130, 4445, 4602, 4953, 4956, 5080, 5334, 5369, 5460, 6136, 6195, 6604, 7080, 7112, 7493, 7620, 7670, 8255, 8260, 8890, 9204, 9906, 9912, 10668, 10738, 10920, 11505, 11557, 12390, 13208, 13335, 14986, 15240, 15340, 16107, 16510, 16520, 17780, 18408, 19812, 21336, 21476, 22479, 23010, 23114, 24765, 24780, 26670, 26845, 29972, 30680, 32214, 33020, 34671, 35560, 37465, 39624, 42952, 44958, 46020, 46228, 49530, 49560, 52451, 53340, 53690, 57785, 59944, 64428, 66040, 69342, 74930, 80535, 89916, 92040, 92456, 97409, 99060, 104902, 106680, 107380, 112395, 115570, 128856, 138684, 149860, 157353, 161070, 173355, 179832, 194818, 198120, 209804, 214760, 224790, 231140, 262255, 277368, 292227, 299720, 314706, 322140, 346710, 389636, 419608, 449580, 462280, 487045, 524510, 584454, 629412, 644280, 681863, 693420, 779272, 786765, 899160, 974090, 1049020, 1168908, 1258824, 1363726, 1386840, 1461135, 1573530, 1948180, 2045589, 2098040, 2337816, 2727452, 2922270, 3147060, 3409315, 3896360, 4091178, 5454904, 5844540, 6294120, 6818630, 8182356, 10227945, 11689080, 13637260, 16364712, 20455890, 27274520, 40911780, 81823560]

約数ペア:

[(1, 81823560), (2, 40911780), (3, 27274520), (4, 20455890), (5, 16364712), (6, 13637260), (7, 11689080), (8, 10227945), (10, 8182356), (12, 6818630), (13, 6294120), (14, 5844540), (15, 5454904), (20, 4091178), (21, 3896360), (24, 3409315), (26, 3147060), (28, 2922270), (30, 2727452), (35, 2337816), (39, 2098040), (40, 2045589), (42, 1948180), (52, 1573530), (56, 1461135), (59, 1386840), (60, 1363726), (65, 1258824), (70, 1168908), (78, 1049020), (84, 974090), (91, 899160), (104, 786765), (105, 779272), (118, 693420), (120, 681863), (127, 644280), (130, 629412), (140, 584454), (156, 524510), (168, 487045), (177, 462280), (182, 449580), (195, 419608), (210, 389636), (236, 346710), (254, 322140), (260, 314706), (273, 299720), (280, 292227), (295, 277368), (312, 262255), (354, 231140), (364, 224790), (381, 214760), (390, 209804), (413, 198120), (420, 194818), (455, 179832), (472, 173355), (508, 161070), (520, 157353), (546, 149860), (590, 138684), (635, 128856), (708, 115570), (728, 112395), (762, 107380), (767, 106680), (780, 104902), (826, 99060), (840, 97409), (885, 92456), (889, 92040), (910, 89916), (1016, 80535), (1092, 74930), (1180, 69342), (1239, 66040), (1270, 64428), (1365, 59944), (1416, 57785), (1524, 53690), (1534, 53340), (1560, 52451), (1651, 49560), (1652, 49530), (1770, 46228), (1778, 46020), (1820, 44958), (1905, 42952), (2065, 39624), (2184, 37465), (2301, 35560), (2360, 34671), (2478, 33020), (2540, 32214), (2667, 30680), (2730, 29972), (3048, 26845), (3068, 26670), (3302, 24780), (3304, 24765), (3540, 23114), (3556, 23010), (3640, 22479), (3810, 21476), (3835, 21336), (4130, 19812), (4445, 18408), (4602, 17780), (4953, 16520), (4956, 16510), (5080, 16107), (5334, 15340), (5369, 15240), (5460, 14986), (6136, 13335), (6195, 13208), (6604, 12390), (7080, 11557), (7112, 11505), (7493, 10920), (7620, 10738), (7670, 10668), (8255, 9912), (8260, 9906), (8890, 9204)]