201216785920

素因数分解:

$2^9\times 5^1\times {\mathrm{11393}}^1\times {\mathrm{6899}}^1$

素因数の和:18315

約数の個数: 80

約数和(自身を含む): 482560966800

約数和(自身を除く): 281344180880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 6899, 11393, 13798, 22786, 27596, 34495, 45572, 55192, 56965, 68990, 91144, 110384, 113930, 137980, 182288, 220768, 227860, 275960, 364576, 441536, 455720, 551920, 729152, 883072, 911440, 1103840, 1458304, 1766144, 1822880, 2207680, 2916608, 3532288, 3645760, 4415360, 5833216, 7291520, 8830720, 14583040, 17661440, 29166080, 78600307, 157200614, 314401228, 393001535, 628802456, 786003070, 1257604912, 1572006140, 2515209824, 3144012280, 5030419648, 6288024560, 10060839296, 12576049120, 20121678592, 25152098240, 40243357184, 50304196480, 100608392960, 201216785920]

約数ペア:

[(1, 201216785920), (2, 100608392960), (4, 50304196480), (5, 40243357184), (8, 25152098240), (10, 20121678592), (16, 12576049120), (20, 10060839296), (32, 6288024560), (40, 5030419648), (64, 3144012280), (80, 2515209824), (128, 1572006140), (160, 1257604912), (256, 786003070), (320, 628802456), (512, 393001535), (640, 314401228), (1280, 157200614), (2560, 78600307), (6899, 29166080), (11393, 17661440), (13798, 14583040), (22786, 8830720), (27596, 7291520), (34495, 5833216), (45572, 4415360), (55192, 3645760), (56965, 3532288), (68990, 2916608), (91144, 2207680), (110384, 1822880), (113930, 1766144), (137980, 1458304), (182288, 1103840), (220768, 911440), (227860, 883072), (275960, 729152), (364576, 551920), (441536, 455720)]