1289427984

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 240

約数和(自身を含む): 4087155072

約数和(自身を除く): 2797727088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 97, 104, 108, 117, 144, 156, 162, 194, 208, 216, 234, 243, 263, 291, 312, 324, 351, 388, 432, 468, 486, 526, 582, 624, 648, 702, 776, 789, 873, 936, 972, 1052, 1053, 1164, 1261, 1296, 1404, 1552, 1578, 1746, 1872, 1944, 2104, 2106, 2328, 2367, 2522, 2619, 2808, 3156, 3159, 3419, 3492, 3783, 3888, 4208, 4212, 4656, 4734, 5044, 5238, 5616, 6312, 6318, 6838, 6984, 7101, 7566, 7857, 8424, 9468, 10088, 10257, 10476, 11349, 12624, 12636, 13676, 13968, 14202, 15132, 15714, 16848, 18936, 20176, 20514, 20952, 21303, 22698, 23571, 25272, 25511, 27352, 28404, 30264, 30771, 31428, 34047, 37872, 41028, 41904, 42606, 45396, 47142, 50544, 51022, 54704, 56808, 60528, 61542, 62856, 63909, 68094, 76533, 82056, 85212, 90792, 92313, 94284, 102044, 102141, 113616, 123084, 125712, 127818, 136188, 153066, 164112, 170424, 181584, 184626, 188568, 204088, 204282, 229599, 246168, 255636, 272376, 276939, 306132, 306423, 331643, 340848, 369252, 377136, 408176, 408564, 459198, 492336, 511272, 544752, 553878, 612264, 612846, 663286, 688797, 738504, 817128, 830817, 918396, 994929, 1022544, 1107756, 1224528, 1225692, 1326572, 1377594, 1477008, 1634256, 1661634, 1836792, 1989858, 2066391, 2215512, 2451384, 2653144, 2755188, 2984787, 3323268, 3673584, 3979716, 4132782, 4431024, 4902768, 5306288, 5510376, 5969574, 6199173, 6646536, 7959432, 8265564, 8954361, 11020752, 11939148, 12398346, 13293072, 15918864, 16531128, 17908722, 23878296, 24796692, 26863083, 33062256, 35817444, 47756592, 49593384, 53726166, 71634888, 80589249, 99186768, 107452332, 143269776, 161178498, 214904664, 322356996, 429809328, 644713992, 1289427984]

約数ペア:

[(1, 1289427984), (2, 644713992), (3, 429809328), (4, 322356996), (6, 214904664), (8, 161178498), (9, 143269776), (12, 107452332), (13, 99186768), (16, 80589249), (18, 71634888), (24, 53726166), (26, 49593384), (27, 47756592), (36, 35817444), (39, 33062256), (48, 26863083), (52, 24796692), (54, 23878296), (72, 17908722), (78, 16531128), (81, 15918864), (97, 13293072), (104, 12398346), (108, 11939148), (117, 11020752), (144, 8954361), (156, 8265564), (162, 7959432), (194, 6646536), (208, 6199173), (216, 5969574), (234, 5510376), (243, 5306288), (263, 4902768), (291, 4431024), (312, 4132782), (324, 3979716), (351, 3673584), (388, 3323268), (432, 2984787), (468, 2755188), (486, 2653144), (526, 2451384), (582, 2215512), (624, 2066391), (648, 1989858), (702, 1836792), (776, 1661634), (789, 1634256), (873, 1477008), (936, 1377594), (972, 1326572), (1052, 1225692), (1053, 1224528), (1164, 1107756), (1261, 1022544), (1296, 994929), (1404, 918396), (1552, 830817), (1578, 817128), (1746, 738504), (1872, 688797), (1944, 663286), (2104, 612846), (2106, 612264), (2328, 553878), (2367, 544752), (2522, 511272), (2619, 492336), (2808, 459198), (3156, 408564), (3159, 408176), (3419, 377136), (3492, 369252), (3783, 340848), (3888, 331643), (4208, 306423), (4212, 306132), (4656, 276939), (4734, 272376), (5044, 255636), (5238, 246168), (5616, 229599), (6312, 204282), (6318, 204088), (6838, 188568), (6984, 184626), (7101, 181584), (7566, 170424), (7857, 164112), (8424, 153066), (9468, 136188), (10088, 127818), (10257, 125712), (10476, 123084), (11349, 113616), (12624, 102141), (12636, 102044), (13676, 94284), (13968, 92313), (14202, 90792), (15132, 85212), (15714, 82056), (16848, 76533), (18936, 68094), (20176, 63909), (20514, 62856), (20952, 61542), (21303, 60528), (22698, 56808), (23571, 54704), (25272, 51022), (25511, 50544), (27352, 47142), (28404, 45396), (30264, 42606), (30771, 41904), (31428, 41028), (34047, 37872)]