66861720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61909}}^1$

素因数の和:61929

約数の個数: 64

約数和(自身を含む): 222876000

約数和(自身を除く): 156014280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 61909, 123818, 185727, 247636, 309545, 371454, 495272, 557181, 619090, 742908, 928635, 1114362, 1238180, 1485816, 1671543, 1857270, 2228724, 2476360, 2785905, 3343086, 3714540, 4457448, 5571810, 6686172, 7429080, 8357715, 11143620, 13372344, 16715430, 22287240, 33430860, 66861720]

約数ペア:

[(1, 66861720), (2, 33430860), (3, 22287240), (4, 16715430), (5, 13372344), (6, 11143620), (8, 8357715), (9, 7429080), (10, 6686172), (12, 5571810), (15, 4457448), (18, 3714540), (20, 3343086), (24, 2785905), (27, 2476360), (30, 2228724), (36, 1857270), (40, 1671543), (45, 1485816), (54, 1238180), (60, 1114362), (72, 928635), (90, 742908), (108, 619090), (120, 557181), (135, 495272), (180, 371454), (216, 309545), (270, 247636), (360, 185727), (540, 123818), (1080, 61909)]