79920400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 240

約数和(自身を含む): 245769984

約数和(自身を除く): 165849584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 25, 28, 34, 35, 40, 46, 50, 56, 68, 70, 73, 80, 85, 92, 100, 112, 115, 119, 136, 140, 146, 161, 170, 175, 184, 200, 230, 238, 272, 280, 292, 322, 340, 350, 365, 368, 391, 400, 425, 460, 476, 511, 560, 575, 584, 595, 644, 680, 700, 730, 782, 805, 850, 920, 952, 1022, 1150, 1168, 1190, 1241, 1288, 1360, 1400, 1460, 1564, 1610, 1679, 1700, 1825, 1840, 1904, 1955, 2044, 2300, 2380, 2482, 2555, 2576, 2737, 2800, 2920, 2975, 3128, 3220, 3358, 3400, 3650, 3910, 4025, 4088, 4600, 4760, 4964, 5110, 5474, 5840, 5950, 6205, 6256, 6440, 6716, 6800, 7300, 7820, 8050, 8176, 8395, 8687, 9200, 9520, 9775, 9928, 10220, 10948, 11753, 11900, 12410, 12775, 12880, 13432, 13685, 14600, 15640, 16100, 16790, 17374, 19550, 19856, 20440, 21896, 23506, 23800, 24820, 25550, 26864, 27370, 28543, 29200, 31025, 31280, 32200, 33580, 34748, 39100, 40880, 41975, 43435, 43792, 47012, 47600, 49640, 51100, 54740, 57086, 58765, 62050, 64400, 67160, 68425, 69496, 78200, 83950, 86870, 94024, 99280, 102200, 109480, 114172, 117530, 124100, 134320, 136850, 138992, 142715, 156400, 167900, 173740, 188048, 199801, 204400, 217175, 218960, 228344, 235060, 248200, 273700, 285430, 293825, 335800, 347480, 399602, 434350, 456688, 470120, 496400, 547400, 570860, 587650, 671600, 694960, 713575, 799204, 868700, 940240, 999005, 1094800, 1141720, 1175300, 1427150, 1598408, 1737400, 1998010, 2283440, 2350600, 2854300, 3196816, 3474800, 3996020, 4701200, 4995025, 5708600, 7992040, 9990050, 11417200, 15984080, 19980100, 39960200, 79920400]

約数ペア:

[(1, 79920400), (2, 39960200), (4, 19980100), (5, 15984080), (7, 11417200), (8, 9990050), (10, 7992040), (14, 5708600), (16, 4995025), (17, 4701200), (20, 3996020), (23, 3474800), (25, 3196816), (28, 2854300), (34, 2350600), (35, 2283440), (40, 1998010), (46, 1737400), (50, 1598408), (56, 1427150), (68, 1175300), (70, 1141720), (73, 1094800), (80, 999005), (85, 940240), (92, 868700), (100, 799204), (112, 713575), (115, 694960), (119, 671600), (136, 587650), (140, 570860), (146, 547400), (161, 496400), (170, 470120), (175, 456688), (184, 434350), (200, 399602), (230, 347480), (238, 335800), (272, 293825), (280, 285430), (292, 273700), (322, 248200), (340, 235060), (350, 228344), (365, 218960), (368, 217175), (391, 204400), (400, 199801), (425, 188048), (460, 173740), (476, 167900), (511, 156400), (560, 142715), (575, 138992), (584, 136850), (595, 134320), (644, 124100), (680, 117530), (700, 114172), (730, 109480), (782, 102200), (805, 99280), (850, 94024), (920, 86870), (952, 83950), (1022, 78200), (1150, 69496), (1168, 68425), (1190, 67160), (1241, 64400), (1288, 62050), (1360, 58765), (1400, 57086), (1460, 54740), (1564, 51100), (1610, 49640), (1679, 47600), (1700, 47012), (1825, 43792), (1840, 43435), (1904, 41975), (1955, 40880), (2044, 39100), (2300, 34748), (2380, 33580), (2482, 32200), (2555, 31280), (2576, 31025), (2737, 29200), (2800, 28543), (2920, 27370), (2975, 26864), (3128, 25550), (3220, 24820), (3358, 23800), (3400, 23506), (3650, 21896), (3910, 20440), (4025, 19856), (4088, 19550), (4600, 17374), (4760, 16790), (4964, 16100), (5110, 15640), (5474, 14600), (5840, 13685), (5950, 13432), (6205, 12880), (6256, 12775), (6440, 12410), (6716, 11900), (6800, 11753), (7300, 10948), (7820, 10220), (8050, 9928), (8176, 9775), (8395, 9520), (8687, 9200)]