128806380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11731}}^1$

素因数の和:11807

約数の個数: 72

約数和(自身を含む): 397151664

約数和(自身を除く): 268345284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11731, 23462, 35193, 46924, 58655, 70386, 105579, 117310, 140772, 175965, 211158, 234620, 351930, 422316, 527895, 703860, 715591, 1055790, 1431182, 2111580, 2146773, 2862364, 3577955, 4293546, 6440319, 7155910, 8587092, 10733865, 12880638, 14311820, 21467730, 25761276, 32201595, 42935460, 64403190, 128806380]

約数ペア:

[(1, 128806380), (2, 64403190), (3, 42935460), (4, 32201595), (5, 25761276), (6, 21467730), (9, 14311820), (10, 12880638), (12, 10733865), (15, 8587092), (18, 7155910), (20, 6440319), (30, 4293546), (36, 3577955), (45, 2862364), (60, 2146773), (61, 2111580), (90, 1431182), (122, 1055790), (180, 715591), (183, 703860), (244, 527895), (305, 422316), (366, 351930), (549, 234620), (610, 211158), (732, 175965), (915, 140772), (1098, 117310), (1220, 105579), (1830, 70386), (2196, 58655), (2745, 46924), (3660, 35193), (5490, 23462), (10980, 11731)]