643463940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90121}}^1$

素因数の和:90157

約数の個数: 96

約数和(自身を含む): 2180231424

約数和(自身を除く): 1536767484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 90121, 180242, 270363, 360484, 450605, 540726, 630847, 901210, 1081452, 1261694, 1351815, 1532057, 1802420, 1892541, 2523388, 2703630, 3064114, 3154235, 3785082, 4596171, 5407260, 6128228, 6308470, 7570164, 7660285, 9192342, 9462705, 10724399, 12616940, 15320570, 18384684, 18925410, 21448798, 22980855, 30641140, 32173197, 37850820, 42897596, 45961710, 53621995, 64346394, 91923420, 107243990, 128692788, 160865985, 214487980, 321731970, 643463940]

約数ペア:

[(1, 643463940), (2, 321731970), (3, 214487980), (4, 160865985), (5, 128692788), (6, 107243990), (7, 91923420), (10, 64346394), (12, 53621995), (14, 45961710), (15, 42897596), (17, 37850820), (20, 32173197), (21, 30641140), (28, 22980855), (30, 21448798), (34, 18925410), (35, 18384684), (42, 15320570), (51, 12616940), (60, 10724399), (68, 9462705), (70, 9192342), (84, 7660285), (85, 7570164), (102, 6308470), (105, 6128228), (119, 5407260), (140, 4596171), (170, 3785082), (204, 3154235), (210, 3064114), (238, 2703630), (255, 2523388), (340, 1892541), (357, 1802420), (420, 1532057), (476, 1351815), (510, 1261694), (595, 1081452), (714, 901210), (1020, 630847), (1190, 540726), (1428, 450605), (1785, 360484), (2380, 270363), (3570, 180242), (7140, 90121)]