18603180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 56840784

約数和(自身を除く): 38237604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 571, 724, 905, 1086, 1142, 1629, 1713, 1810, 2172, 2284, 2715, 2855, 3258, 3426, 3620, 5139, 5430, 5710, 6516, 6852, 8145, 8565, 10278, 10860, 11420, 16290, 17130, 20556, 25695, 32580, 34260, 51390, 102780, 103351, 206702, 310053, 413404, 516755, 620106, 930159, 1033510, 1240212, 1550265, 1860318, 2067020, 3100530, 3720636, 4650795, 6201060, 9301590, 18603180]

約数ペア:

[(1, 18603180), (2, 9301590), (3, 6201060), (4, 4650795), (5, 3720636), (6, 3100530), (9, 2067020), (10, 1860318), (12, 1550265), (15, 1240212), (18, 1033510), (20, 930159), (30, 620106), (36, 516755), (45, 413404), (60, 310053), (90, 206702), (180, 103351), (181, 102780), (362, 51390), (543, 34260), (571, 32580), (724, 25695), (905, 20556), (1086, 17130), (1142, 16290), (1629, 11420), (1713, 10860), (1810, 10278), (2172, 8565), (2284, 8145), (2715, 6852), (2855, 6516), (3258, 5710), (3426, 5430), (3620, 5139)]