56170980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 171101112

約数和(自身を除く): 114930132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 997, 1252, 1565, 1878, 1994, 2817, 2991, 3130, 3756, 3988, 4695, 4985, 5634, 5982, 6260, 8973, 9390, 9970, 11268, 11964, 14085, 14955, 17946, 18780, 19940, 28170, 29910, 35892, 44865, 56340, 59820, 89730, 179460, 312061, 624122, 936183, 1248244, 1560305, 1872366, 2808549, 3120610, 3744732, 4680915, 5617098, 6241220, 9361830, 11234196, 14042745, 18723660, 28085490, 56170980]

約数ペア:

[(1, 56170980), (2, 28085490), (3, 18723660), (4, 14042745), (5, 11234196), (6, 9361830), (9, 6241220), (10, 5617098), (12, 4680915), (15, 3744732), (18, 3120610), (20, 2808549), (30, 1872366), (36, 1560305), (45, 1248244), (60, 936183), (90, 624122), (180, 312061), (313, 179460), (626, 89730), (939, 59820), (997, 56340), (1252, 44865), (1565, 35892), (1878, 29910), (1994, 28170), (2817, 19940), (2991, 18780), (3130, 17946), (3756, 14955), (3988, 14085), (4695, 11964), (4985, 11268), (5634, 9970), (5982, 9390), (6260, 8973)]