1290428800

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 3380810400

約数和(自身を除く): 2090381600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 89, 92, 100, 115, 128, 160, 178, 184, 197, 200, 230, 320, 356, 368, 394, 400, 445, 460, 575, 640, 712, 736, 788, 800, 890, 920, 985, 1150, 1424, 1472, 1576, 1600, 1780, 1840, 1970, 2047, 2225, 2300, 2848, 2944, 3152, 3200, 3560, 3680, 3940, 4094, 4450, 4531, 4600, 4925, 5696, 6304, 7120, 7360, 7880, 8188, 8900, 9062, 9200, 9850, 10235, 11392, 12608, 14240, 14720, 15760, 16376, 17533, 17800, 18124, 18400, 19700, 20470, 22655, 25216, 28480, 31520, 32752, 35066, 35600, 36248, 36800, 39400, 40940, 45310, 51175, 56960, 63040, 65504, 70132, 71200, 72496, 73600, 78800, 81880, 87665, 90620, 102350, 113275, 126080, 131008, 140264, 142400, 144992, 157600, 163760, 175330, 181240, 204700, 226550, 262016, 280528, 284800, 289984, 315200, 327520, 350660, 362480, 403259, 409400, 438325, 453100, 561056, 579968, 630400, 655040, 701320, 724960, 806518, 818800, 876650, 906200, 1122112, 1310080, 1402640, 1449920, 1613036, 1637600, 1753300, 1812400, 2016295, 2244224, 2805280, 2899840, 3226072, 3275200, 3506600, 3624800, 4032590, 5610560, 6452144, 6550400, 7013200, 7249600, 8065180, 10081475, 11221120, 12904288, 14026400, 14499200, 16130360, 20162950, 25808576, 28052800, 32260720, 40325900, 51617152, 56105600, 64521440, 80651800, 129042880, 161303600, 258085760, 322607200, 645214400, 1290428800]

約数ペア:

[(1, 1290428800), (2, 645214400), (4, 322607200), (5, 258085760), (8, 161303600), (10, 129042880), (16, 80651800), (20, 64521440), (23, 56105600), (25, 51617152), (32, 40325900), (40, 32260720), (46, 28052800), (50, 25808576), (64, 20162950), (80, 16130360), (89, 14499200), (92, 14026400), (100, 12904288), (115, 11221120), (128, 10081475), (160, 8065180), (178, 7249600), (184, 7013200), (197, 6550400), (200, 6452144), (230, 5610560), (320, 4032590), (356, 3624800), (368, 3506600), (394, 3275200), (400, 3226072), (445, 2899840), (460, 2805280), (575, 2244224), (640, 2016295), (712, 1812400), (736, 1753300), (788, 1637600), (800, 1613036), (890, 1449920), (920, 1402640), (985, 1310080), (1150, 1122112), (1424, 906200), (1472, 876650), (1576, 818800), (1600, 806518), (1780, 724960), (1840, 701320), (1970, 655040), (2047, 630400), (2225, 579968), (2300, 561056), (2848, 453100), (2944, 438325), (3152, 409400), (3200, 403259), (3560, 362480), (3680, 350660), (3940, 327520), (4094, 315200), (4450, 289984), (4531, 284800), (4600, 280528), (4925, 262016), (5696, 226550), (6304, 204700), (7120, 181240), (7360, 175330), (7880, 163760), (8188, 157600), (8900, 144992), (9062, 142400), (9200, 140264), (9850, 131008), (10235, 126080), (11392, 113275), (12608, 102350), (14240, 90620), (14720, 87665), (15760, 81880), (16376, 78800), (17533, 73600), (17800, 72496), (18124, 71200), (18400, 70132), (19700, 65504), (20470, 63040), (22655, 56960), (25216, 51175), (28480, 45310), (31520, 40940), (32752, 39400), (35066, 36800), (35600, 36248)]