1247641320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1627

約数の個数: 128

約数和(自身を含む): 3849638400

約数和(自身を除く): 2601997080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 157, 188, 235, 282, 314, 376, 470, 471, 564, 628, 705, 785, 940, 942, 1128, 1256, 1409, 1410, 1570, 1880, 1884, 2355, 2818, 2820, 3140, 3768, 4227, 4710, 5636, 5640, 6280, 7045, 7379, 8454, 9420, 11272, 14090, 14758, 16908, 18840, 21135, 22137, 28180, 29516, 33816, 36895, 42270, 44274, 56360, 59032, 66223, 73790, 84540, 88548, 110685, 132446, 147580, 169080, 177096, 198669, 221213, 221370, 264892, 295160, 331115, 397338, 442426, 442740, 529784, 662230, 663639, 794676, 884852, 885480, 993345, 1106065, 1324460, 1327278, 1589352, 1769704, 1986690, 2212130, 2648920, 2654556, 3318195, 3973380, 4424260, 5309112, 6636390, 7946760, 8848520, 10397011, 13272780, 20794022, 26545560, 31191033, 41588044, 51985055, 62382066, 83176088, 103970110, 124764132, 155955165, 207940220, 249528264, 311910330, 415880440, 623820660, 1247641320]

約数ペア:

[(1, 1247641320), (2, 623820660), (3, 415880440), (4, 311910330), (5, 249528264), (6, 207940220), (8, 155955165), (10, 124764132), (12, 103970110), (15, 83176088), (20, 62382066), (24, 51985055), (30, 41588044), (40, 31191033), (47, 26545560), (60, 20794022), (94, 13272780), (120, 10397011), (141, 8848520), (157, 7946760), (188, 6636390), (235, 5309112), (282, 4424260), (314, 3973380), (376, 3318195), (470, 2654556), (471, 2648920), (564, 2212130), (628, 1986690), (705, 1769704), (785, 1589352), (940, 1327278), (942, 1324460), (1128, 1106065), (1256, 993345), (1409, 885480), (1410, 884852), (1570, 794676), (1880, 663639), (1884, 662230), (2355, 529784), (2818, 442740), (2820, 442426), (3140, 397338), (3768, 331115), (4227, 295160), (4710, 264892), (5636, 221370), (5640, 221213), (6280, 198669), (7045, 177096), (7379, 169080), (8454, 147580), (9420, 132446), (11272, 110685), (14090, 88548), (14758, 84540), (16908, 73790), (18840, 66223), (21135, 59032), (22137, 56360), (28180, 44274), (29516, 42270), (33816, 36895)]