81941490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15973}}^1$

素因数の和:16008

約数の個数: 64

約数和(自身を含む): 230025600

約数和(自身を除く): 148084110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 15973, 31946, 47919, 79865, 95838, 143757, 159730, 239595, 287514, 303487, 431271, 479190, 606974, 718785, 862542, 910461, 1437570, 1517435, 1820922, 2156355, 2731383, 3034870, 4312710, 4552305, 5462766, 8194149, 9104610, 13656915, 16388298, 27313830, 40970745, 81941490]

約数ペア:

[(1, 81941490), (2, 40970745), (3, 27313830), (5, 16388298), (6, 13656915), (9, 9104610), (10, 8194149), (15, 5462766), (18, 4552305), (19, 4312710), (27, 3034870), (30, 2731383), (38, 2156355), (45, 1820922), (54, 1517435), (57, 1437570), (90, 910461), (95, 862542), (114, 718785), (135, 606974), (171, 479190), (190, 431271), (270, 303487), (285, 287514), (342, 239595), (513, 159730), (570, 143757), (855, 95838), (1026, 79865), (1710, 47919), (2565, 31946), (5130, 15973)]