16051420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1523

約数の個数: 72

約数和(自身を含む): 42804720

約数和(自身を除く): 26753300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1489, 1540, 2156, 2695, 2978, 5390, 5956, 7445, 10423, 10780, 14890, 16379, 20846, 29780, 32758, 41692, 52115, 65516, 72961, 81895, 104230, 114653, 145922, 163790, 208460, 229306, 291844, 327580, 364805, 458612, 573265, 729610, 802571, 1146530, 1459220, 1605142, 2293060, 3210284, 4012855, 8025710, 16051420]

約数ペア:

[(1, 16051420), (2, 8025710), (4, 4012855), (5, 3210284), (7, 2293060), (10, 1605142), (11, 1459220), (14, 1146530), (20, 802571), (22, 729610), (28, 573265), (35, 458612), (44, 364805), (49, 327580), (55, 291844), (70, 229306), (77, 208460), (98, 163790), (110, 145922), (140, 114653), (154, 104230), (196, 81895), (220, 72961), (245, 65516), (308, 52115), (385, 41692), (490, 32758), (539, 29780), (770, 20846), (980, 16379), (1078, 14890), (1489, 10780), (1540, 10423), (2156, 7445), (2695, 5956), (2978, 5390)]