161021808

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 478280400

約数和(自身を除く): 317258592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 229, 257, 304, 342, 456, 458, 514, 684, 687, 771, 912, 916, 1028, 1368, 1374, 1542, 1832, 2056, 2061, 2313, 2736, 2748, 3084, 3664, 4112, 4122, 4351, 4626, 4883, 5496, 6168, 8244, 8702, 9252, 9766, 10992, 12336, 13053, 14649, 16488, 17404, 18504, 19532, 26106, 29298, 32976, 34808, 37008, 39064, 39159, 43947, 52212, 58596, 58853, 69616, 78128, 78318, 87894, 104424, 117192, 117706, 156636, 175788, 176559, 208848, 234384, 235412, 313272, 351576, 353118, 470824, 529677, 626544, 703152, 706236, 941648, 1059354, 1118207, 1412472, 2118708, 2236414, 2824944, 3354621, 4237416, 4472828, 6709242, 8474832, 8945656, 10063863, 13418484, 17891312, 20127726, 26836968, 40255452, 53673936, 80510904, 161021808]

約数ペア:

[(1, 161021808), (2, 80510904), (3, 53673936), (4, 40255452), (6, 26836968), (8, 20127726), (9, 17891312), (12, 13418484), (16, 10063863), (18, 8945656), (19, 8474832), (24, 6709242), (36, 4472828), (38, 4237416), (48, 3354621), (57, 2824944), (72, 2236414), (76, 2118708), (114, 1412472), (144, 1118207), (152, 1059354), (171, 941648), (228, 706236), (229, 703152), (257, 626544), (304, 529677), (342, 470824), (456, 353118), (458, 351576), (514, 313272), (684, 235412), (687, 234384), (771, 208848), (912, 176559), (916, 175788), (1028, 156636), (1368, 117706), (1374, 117192), (1542, 104424), (1832, 87894), (2056, 78318), (2061, 78128), (2313, 69616), (2736, 58853), (2748, 58596), (3084, 52212), (3664, 43947), (4112, 39159), (4122, 39064), (4351, 37008), (4626, 34808), (4883, 32976), (5496, 29298), (6168, 26106), (8244, 19532), (8702, 18504), (9252, 17404), (9766, 16488), (10992, 14649), (12336, 13053)]