899423360

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:790

約数の個数: 128

約数和(自身を含む): 2359627200

約数和(自身を除く): 1460203840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 251, 320, 352, 440, 502, 509, 640, 704, 880, 1004, 1018, 1255, 1408, 1760, 2008, 2036, 2510, 2545, 2761, 3520, 4016, 4072, 5020, 5090, 5522, 5599, 7040, 8032, 8144, 10040, 10180, 11044, 11198, 13805, 16064, 16288, 20080, 20360, 22088, 22396, 27610, 27995, 32128, 32576, 40160, 40720, 44176, 44792, 55220, 55990, 65152, 80320, 81440, 88352, 89584, 110440, 111980, 127759, 160640, 162880, 176704, 179168, 220880, 223960, 255518, 325760, 353408, 358336, 441760, 447920, 511036, 638795, 716672, 883520, 895840, 1022072, 1277590, 1405349, 1767040, 1791680, 2044144, 2555180, 2810698, 3583360, 4088288, 5110360, 5621396, 7026745, 8176576, 10220720, 11242792, 14053490, 16353152, 20441440, 22485584, 28106980, 40882880, 44971168, 56213960, 81765760, 89942336, 112427920, 179884672, 224855840, 449711680, 899423360]

約数ペア:

[(1, 899423360), (2, 449711680), (4, 224855840), (5, 179884672), (8, 112427920), (10, 89942336), (11, 81765760), (16, 56213960), (20, 44971168), (22, 40882880), (32, 28106980), (40, 22485584), (44, 20441440), (55, 16353152), (64, 14053490), (80, 11242792), (88, 10220720), (110, 8176576), (128, 7026745), (160, 5621396), (176, 5110360), (220, 4088288), (251, 3583360), (320, 2810698), (352, 2555180), (440, 2044144), (502, 1791680), (509, 1767040), (640, 1405349), (704, 1277590), (880, 1022072), (1004, 895840), (1018, 883520), (1255, 716672), (1408, 638795), (1760, 511036), (2008, 447920), (2036, 441760), (2510, 358336), (2545, 353408), (2761, 325760), (3520, 255518), (4016, 223960), (4072, 220880), (5020, 179168), (5090, 176704), (5522, 162880), (5599, 160640), (7040, 127759), (8032, 111980), (8144, 110440), (10040, 89584), (10180, 88352), (11044, 81440), (11198, 80320), (13805, 65152), (16064, 55990), (16288, 55220), (20080, 44792), (20360, 44176), (22088, 40720), (22396, 40160), (27610, 32576), (27995, 32128)]