65720620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:863

約数の個数: 96

約数和(自身を含む): 171601920

約数和(自身を除く): 105881300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 797, 868, 1085, 1178, 1330, 1594, 2170, 2356, 2660, 2945, 3188, 3985, 4123, 4340, 5579, 5890, 7970, 8246, 11158, 11780, 15143, 15940, 16492, 20615, 22316, 24707, 27895, 30286, 41230, 49414, 55790, 60572, 75715, 82460, 98828, 106001, 111580, 123535, 151430, 172949, 212002, 247070, 302860, 345898, 424004, 469433, 494140, 530005, 691796, 864745, 938866, 1060010, 1729490, 1877732, 2120020, 2347165, 3286031, 3458980, 4694330, 6572062, 9388660, 13144124, 16430155, 32860310, 65720620]

約数ペア:

[(1, 65720620), (2, 32860310), (4, 16430155), (5, 13144124), (7, 9388660), (10, 6572062), (14, 4694330), (19, 3458980), (20, 3286031), (28, 2347165), (31, 2120020), (35, 1877732), (38, 1729490), (62, 1060010), (70, 938866), (76, 864745), (95, 691796), (124, 530005), (133, 494140), (140, 469433), (155, 424004), (190, 345898), (217, 302860), (266, 247070), (310, 212002), (380, 172949), (434, 151430), (532, 123535), (589, 111580), (620, 106001), (665, 98828), (797, 82460), (868, 75715), (1085, 60572), (1178, 55790), (1330, 49414), (1594, 41230), (2170, 30286), (2356, 27895), (2660, 24707), (2945, 22316), (3188, 20615), (3985, 16492), (4123, 15940), (4340, 15143), (5579, 11780), (5890, 11158), (7970, 8246)]