51317730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1973}}^1$

素因数の和:2020

約数の個数: 72

約数和(自身を含む): 141808212

約数和(自身を除く): 90490482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 510, 578, 765, 867, 1445, 1530, 1734, 1973, 2601, 2890, 3946, 4335, 5202, 5919, 8670, 9865, 11838, 13005, 17757, 19730, 26010, 29595, 33541, 35514, 59190, 67082, 88785, 100623, 167705, 177570, 201246, 301869, 335410, 503115, 570197, 603738, 1006230, 1140394, 1509345, 1710591, 2850985, 3018690, 3421182, 5131773, 5701970, 8552955, 10263546, 17105910, 25658865, 51317730]

約数ペア:

[(1, 51317730), (2, 25658865), (3, 17105910), (5, 10263546), (6, 8552955), (9, 5701970), (10, 5131773), (15, 3421182), (17, 3018690), (18, 2850985), (30, 1710591), (34, 1509345), (45, 1140394), (51, 1006230), (85, 603738), (90, 570197), (102, 503115), (153, 335410), (170, 301869), (255, 201246), (289, 177570), (306, 167705), (510, 100623), (578, 88785), (765, 67082), (867, 59190), (1445, 35514), (1530, 33541), (1734, 29595), (1973, 26010), (2601, 19730), (2890, 17757), (3946, 13005), (4335, 11838), (5202, 9865), (5919, 8670)]