1551149480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{20507}}^1$

素因数の和:20610

約数の個数: 64

約数和(自身を含む): 3661908480

約数和(自身を除く): 2110759000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 7564, 9455, 15128, 18910, 20507, 37820, 41014, 75640, 82028, 102535, 164056, 205070, 410140, 635717, 820280, 1250927, 1271434, 2501854, 2542868, 3178585, 5003708, 5085736, 6254635, 6357170, 10007416, 12509270, 12714340, 25018540, 25428680, 38778737, 50037080, 77557474, 155114948, 193893685, 310229896, 387787370, 775574740, 1551149480]

約数ペア:

[(1, 1551149480), (2, 775574740), (4, 387787370), (5, 310229896), (8, 193893685), (10, 155114948), (20, 77557474), (31, 50037080), (40, 38778737), (61, 25428680), (62, 25018540), (122, 12714340), (124, 12509270), (155, 10007416), (244, 6357170), (248, 6254635), (305, 5085736), (310, 5003708), (488, 3178585), (610, 2542868), (620, 2501854), (1220, 1271434), (1240, 1250927), (1891, 820280), (2440, 635717), (3782, 410140), (7564, 205070), (9455, 164056), (15128, 102535), (18910, 82028), (20507, 75640), (37820, 41014)]