289661640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{141991}}^1$

素因数の和:142022

約数の個数: 64

約数和(自身を含む): 920108160

約数和(自身を除く): 630446520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 141991, 283982, 425973, 567964, 709955, 851946, 1135928, 1419910, 1703892, 2129865, 2413847, 2839820, 3407784, 4259730, 4827694, 5679640, 7241541, 8519460, 9655388, 12069235, 14483082, 17038920, 19310776, 24138470, 28966164, 36207705, 48276940, 57932328, 72415410, 96553880, 144830820, 289661640]

約数ペア:

[(1, 289661640), (2, 144830820), (3, 96553880), (4, 72415410), (5, 57932328), (6, 48276940), (8, 36207705), (10, 28966164), (12, 24138470), (15, 19310776), (17, 17038920), (20, 14483082), (24, 12069235), (30, 9655388), (34, 8519460), (40, 7241541), (51, 5679640), (60, 4827694), (68, 4259730), (85, 3407784), (102, 2839820), (120, 2413847), (136, 2129865), (170, 1703892), (204, 1419910), (255, 1135928), (340, 851946), (408, 709955), (510, 567964), (680, 425973), (1020, 283982), (2040, 141991)]