78945840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 240

約数和(自身を含む): 285981696

約数和(自身を除く): 207035856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 131, 135, 144, 155, 162, 180, 186, 216, 240, 243, 248, 262, 270, 279, 310, 324, 360, 372, 393, 405, 432, 465, 486, 496, 524, 540, 558, 620, 648, 655, 720, 744, 786, 810, 837, 930, 972, 1048, 1080, 1116, 1179, 1215, 1240, 1296, 1310, 1395, 1488, 1572, 1620, 1674, 1860, 1944, 1965, 2096, 2160, 2232, 2358, 2430, 2480, 2511, 2620, 2790, 3144, 3240, 3348, 3537, 3720, 3888, 3930, 4061, 4185, 4464, 4716, 4860, 5022, 5240, 5580, 5895, 6288, 6480, 6696, 7074, 7440, 7533, 7860, 8122, 8370, 9432, 9720, 10044, 10480, 10611, 11160, 11790, 12183, 12555, 13392, 14148, 15066, 15720, 16244, 16740, 17685, 18864, 19440, 20088, 20305, 21222, 22320, 23580, 24366, 25110, 28296, 30132, 31440, 31833, 32488, 33480, 35370, 36549, 37665, 40176, 40610, 42444, 47160, 48732, 50220, 53055, 56592, 60264, 60915, 63666, 64976, 66960, 70740, 73098, 75330, 81220, 84888, 94320, 97464, 100440, 106110, 109647, 120528, 121830, 127332, 141480, 146196, 150660, 159165, 162440, 169776, 182745, 194928, 200880, 212220, 219294, 243660, 254664, 282960, 292392, 301320, 318330, 324880, 328941, 365490, 424440, 438588, 487320, 509328, 548235, 584784, 602640, 636660, 657882, 730980, 848880, 877176, 974640, 986823, 1096470, 1273320, 1315764, 1461960, 1644705, 1754352, 1973646, 2192940, 2546640, 2631528, 2923920, 3289410, 3947292, 4385880, 4934115, 5263056, 6578820, 7894584, 8771760, 9868230, 13157640, 15789168, 19736460, 26315280, 39472920, 78945840]

約数ペア:

[(1, 78945840), (2, 39472920), (3, 26315280), (4, 19736460), (5, 15789168), (6, 13157640), (8, 9868230), (9, 8771760), (10, 7894584), (12, 6578820), (15, 5263056), (16, 4934115), (18, 4385880), (20, 3947292), (24, 3289410), (27, 2923920), (30, 2631528), (31, 2546640), (36, 2192940), (40, 1973646), (45, 1754352), (48, 1644705), (54, 1461960), (60, 1315764), (62, 1273320), (72, 1096470), (80, 986823), (81, 974640), (90, 877176), (93, 848880), (108, 730980), (120, 657882), (124, 636660), (131, 602640), (135, 584784), (144, 548235), (155, 509328), (162, 487320), (180, 438588), (186, 424440), (216, 365490), (240, 328941), (243, 324880), (248, 318330), (262, 301320), (270, 292392), (279, 282960), (310, 254664), (324, 243660), (360, 219294), (372, 212220), (393, 200880), (405, 194928), (432, 182745), (465, 169776), (486, 162440), (496, 159165), (524, 150660), (540, 146196), (558, 141480), (620, 127332), (648, 121830), (655, 120528), (720, 109647), (744, 106110), (786, 100440), (810, 97464), (837, 94320), (930, 84888), (972, 81220), (1048, 75330), (1080, 73098), (1116, 70740), (1179, 66960), (1215, 64976), (1240, 63666), (1296, 60915), (1310, 60264), (1395, 56592), (1488, 53055), (1572, 50220), (1620, 48732), (1674, 47160), (1860, 42444), (1944, 40610), (1965, 40176), (2096, 37665), (2160, 36549), (2232, 35370), (2358, 33480), (2430, 32488), (2480, 31833), (2511, 31440), (2620, 30132), (2790, 28296), (3144, 25110), (3240, 24366), (3348, 23580), (3537, 22320), (3720, 21222), (3888, 20305), (3930, 20088), (4061, 19440), (4185, 18864), (4464, 17685), (4716, 16740), (4860, 16244), (5022, 15720), (5240, 15066), (5580, 14148), (5895, 13392), (6288, 12555), (6480, 12183), (6696, 11790), (7074, 11160), (7440, 10611), (7533, 10480), (7860, 10044), (8122, 9720), (8370, 9432)]