81885960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17497}}^1$

素因数の和:17527

約数の個数: 96

約数和(自身を含む): 286617240

約数和(自身を除く): 204731280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 17497, 34994, 52491, 69988, 87485, 104982, 139976, 157473, 174970, 209964, 227461, 262455, 314946, 349940, 419928, 454922, 524910, 629892, 682383, 699880, 787365, 909844, 1049820, 1137305, 1259784, 1364766, 1574730, 1819688, 2047149, 2099640, 2274610, 2729532, 3149460, 3411915, 4094298, 4549220, 5459064, 6298920, 6823830, 8188596, 9098440, 10235745, 13647660, 16377192, 20471490, 27295320, 40942980, 81885960]

約数ペア:

[(1, 81885960), (2, 40942980), (3, 27295320), (4, 20471490), (5, 16377192), (6, 13647660), (8, 10235745), (9, 9098440), (10, 8188596), (12, 6823830), (13, 6298920), (15, 5459064), (18, 4549220), (20, 4094298), (24, 3411915), (26, 3149460), (30, 2729532), (36, 2274610), (39, 2099640), (40, 2047149), (45, 1819688), (52, 1574730), (60, 1364766), (65, 1259784), (72, 1137305), (78, 1049820), (90, 909844), (104, 787365), (117, 699880), (120, 682383), (130, 629892), (156, 524910), (180, 454922), (195, 419928), (234, 349940), (260, 314946), (312, 262455), (360, 227461), (390, 209964), (468, 174970), (520, 157473), (585, 139976), (780, 104982), (936, 87485), (1170, 69988), (1560, 52491), (2340, 34994), (4680, 17497)]