81427320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 289336320

約数和(自身を除く): 207909000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 127, 130, 137, 156, 180, 195, 234, 254, 260, 274, 312, 360, 381, 390, 411, 468, 508, 520, 548, 585, 635, 685, 762, 780, 822, 936, 1016, 1096, 1143, 1170, 1233, 1270, 1370, 1524, 1560, 1644, 1651, 1781, 1905, 2055, 2286, 2340, 2466, 2540, 2740, 3048, 3288, 3302, 3562, 3810, 4110, 4572, 4680, 4932, 4953, 5080, 5343, 5480, 5715, 6165, 6604, 7124, 7620, 8220, 8255, 8905, 9144, 9864, 9906, 10686, 11430, 12330, 13208, 14248, 14859, 15240, 16029, 16440, 16510, 17399, 17810, 19812, 21372, 22860, 24660, 24765, 26715, 29718, 32058, 33020, 34798, 35620, 39624, 42744, 45720, 49320, 49530, 52197, 53430, 59436, 64116, 66040, 69596, 71240, 74295, 80145, 86995, 99060, 104394, 106860, 118872, 128232, 139192, 148590, 156591, 160290, 173990, 198120, 208788, 213720, 226187, 260985, 297180, 313182, 320580, 347980, 417576, 452374, 521970, 594360, 626364, 641160, 678561, 695960, 782955, 904748, 1043940, 1130935, 1252728, 1357122, 1565910, 1809496, 2035683, 2087880, 2261870, 2714244, 3131820, 3392805, 4071366, 4523740, 5428488, 6263640, 6785610, 8142732, 9047480, 10178415, 13571220, 16285464, 20356830, 27142440, 40713660, 81427320]

約数ペア:

[(1, 81427320), (2, 40713660), (3, 27142440), (4, 20356830), (5, 16285464), (6, 13571220), (8, 10178415), (9, 9047480), (10, 8142732), (12, 6785610), (13, 6263640), (15, 5428488), (18, 4523740), (20, 4071366), (24, 3392805), (26, 3131820), (30, 2714244), (36, 2261870), (39, 2087880), (40, 2035683), (45, 1809496), (52, 1565910), (60, 1357122), (65, 1252728), (72, 1130935), (78, 1043940), (90, 904748), (104, 782955), (117, 695960), (120, 678561), (127, 641160), (130, 626364), (137, 594360), (156, 521970), (180, 452374), (195, 417576), (234, 347980), (254, 320580), (260, 313182), (274, 297180), (312, 260985), (360, 226187), (381, 213720), (390, 208788), (411, 198120), (468, 173990), (508, 160290), (520, 156591), (548, 148590), (585, 139192), (635, 128232), (685, 118872), (762, 106860), (780, 104394), (822, 99060), (936, 86995), (1016, 80145), (1096, 74295), (1143, 71240), (1170, 69596), (1233, 66040), (1270, 64116), (1370, 59436), (1524, 53430), (1560, 52197), (1644, 49530), (1651, 49320), (1781, 45720), (1905, 42744), (2055, 39624), (2286, 35620), (2340, 34798), (2466, 33020), (2540, 32058), (2740, 29718), (3048, 26715), (3288, 24765), (3302, 24660), (3562, 22860), (3810, 21372), (4110, 19812), (4572, 17810), (4680, 17399), (4932, 16510), (4953, 16440), (5080, 16029), (5343, 15240), (5480, 14859), (5715, 14248), (6165, 13208), (6604, 12330), (7124, 11430), (7620, 10686), (8220, 9906), (8255, 9864), (8905, 9144)]