1784340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 5660928

約数和(自身を除く): 3876588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 431, 460, 690, 828, 862, 1035, 1293, 1380, 1724, 2070, 2155, 2586, 3879, 4140, 4310, 5172, 6465, 7758, 8620, 9913, 12930, 15516, 19395, 19826, 25860, 29739, 38790, 39652, 49565, 59478, 77580, 89217, 99130, 118956, 148695, 178434, 198260, 297390, 356868, 446085, 594780, 892170, 1784340]

約数ペア:

[(1, 1784340), (2, 892170), (3, 594780), (4, 446085), (5, 356868), (6, 297390), (9, 198260), (10, 178434), (12, 148695), (15, 118956), (18, 99130), (20, 89217), (23, 77580), (30, 59478), (36, 49565), (45, 39652), (46, 38790), (60, 29739), (69, 25860), (90, 19826), (92, 19395), (115, 15516), (138, 12930), (180, 9913), (207, 8620), (230, 7758), (276, 6465), (345, 5172), (414, 4310), (431, 4140), (460, 3879), (690, 2586), (828, 2155), (862, 2070), (1035, 1724), (1293, 1380)]