38389860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{787}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 117027456

約数和(自身を除く): 78637596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 787, 813, 1084, 1355, 1574, 1626, 2361, 2439, 2710, 3148, 3252, 3935, 4065, 4722, 4878, 5420, 7083, 7870, 8130, 9444, 9756, 11805, 12195, 14166, 15740, 16260, 23610, 24390, 28332, 35415, 47220, 48780, 70830, 141660, 213277, 426554, 639831, 853108, 1066385, 1279662, 1919493, 2132770, 2559324, 3199155, 3838986, 4265540, 6398310, 7677972, 9597465, 12796620, 19194930, 38389860]

約数ペア:

[(1, 38389860), (2, 19194930), (3, 12796620), (4, 9597465), (5, 7677972), (6, 6398310), (9, 4265540), (10, 3838986), (12, 3199155), (15, 2559324), (18, 2132770), (20, 1919493), (30, 1279662), (36, 1066385), (45, 853108), (60, 639831), (90, 426554), (180, 213277), (271, 141660), (542, 70830), (787, 48780), (813, 47220), (1084, 35415), (1355, 28332), (1574, 24390), (1626, 23610), (2361, 16260), (2439, 15740), (2710, 14166), (3148, 12195), (3252, 11805), (3935, 9756), (4065, 9444), (4722, 8130), (4878, 7870), (5420, 7083)]