821472120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1801}}^1$

素因数の和:2006

約数の個数: 192

約数和(自身を含む): 3069743040

約数和(自身を除く): 2248270920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 181, 210, 252, 280, 315, 360, 362, 420, 504, 543, 630, 724, 840, 905, 1086, 1260, 1267, 1448, 1629, 1801, 1810, 2172, 2520, 2534, 2715, 3258, 3602, 3620, 3801, 4344, 5068, 5403, 5430, 6335, 6516, 7204, 7240, 7602, 8145, 9005, 10136, 10806, 10860, 11403, 12607, 12670, 13032, 14408, 15204, 16209, 16290, 18010, 19005, 21612, 21720, 22806, 25214, 25340, 27015, 30408, 32418, 32580, 36020, 37821, 38010, 43224, 45612, 50428, 50680, 54030, 57015, 63035, 64836, 65160, 72040, 75642, 76020, 81045, 91224, 100856, 108060, 113463, 114030, 126070, 129672, 151284, 152040, 162090, 189105, 216120, 226926, 228060, 252140, 302568, 324180, 325981, 378210, 453852, 456120, 504280, 567315, 648360, 651962, 756420, 907704, 977943, 1134630, 1303924, 1512840, 1629905, 1955886, 2269260, 2281867, 2607848, 2933829, 3259810, 3911772, 4538520, 4563734, 4889715, 5867658, 6519620, 6845601, 7823544, 9127468, 9779430, 11409335, 11735316, 13039240, 13691202, 14669145, 18254936, 19558860, 20536803, 22818670, 23470632, 27382404, 29338290, 34228005, 39117720, 41073606, 45637340, 54764808, 58676580, 68456010, 82147212, 91274680, 102684015, 117353160, 136912020, 164294424, 205368030, 273824040, 410736060, 821472120]

約数ペア:

[(1, 821472120), (2, 410736060), (3, 273824040), (4, 205368030), (5, 164294424), (6, 136912020), (7, 117353160), (8, 102684015), (9, 91274680), (10, 82147212), (12, 68456010), (14, 58676580), (15, 54764808), (18, 45637340), (20, 41073606), (21, 39117720), (24, 34228005), (28, 29338290), (30, 27382404), (35, 23470632), (36, 22818670), (40, 20536803), (42, 19558860), (45, 18254936), (56, 14669145), (60, 13691202), (63, 13039240), (70, 11735316), (72, 11409335), (84, 9779430), (90, 9127468), (105, 7823544), (120, 6845601), (126, 6519620), (140, 5867658), (168, 4889715), (180, 4563734), (181, 4538520), (210, 3911772), (252, 3259810), (280, 2933829), (315, 2607848), (360, 2281867), (362, 2269260), (420, 1955886), (504, 1629905), (543, 1512840), (630, 1303924), (724, 1134630), (840, 977943), (905, 907704), (1086, 756420), (1260, 651962), (1267, 648360), (1448, 567315), (1629, 504280), (1801, 456120), (1810, 453852), (2172, 378210), (2520, 325981), (2534, 324180), (2715, 302568), (3258, 252140), (3602, 228060), (3620, 226926), (3801, 216120), (4344, 189105), (5068, 162090), (5403, 152040), (5430, 151284), (6335, 129672), (6516, 126070), (7204, 114030), (7240, 113463), (7602, 108060), (8145, 100856), (9005, 91224), (10136, 81045), (10806, 76020), (10860, 75642), (11403, 72040), (12607, 65160), (12670, 64836), (13032, 63035), (14408, 57015), (15204, 54030), (16209, 50680), (16290, 50428), (18010, 45612), (19005, 43224), (21612, 38010), (21720, 37821), (22806, 36020), (25214, 32580), (25340, 32418), (27015, 30408)]