161215400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 389305440

約数和(自身を除く): 228090040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 67, 100, 106, 134, 200, 212, 227, 265, 268, 335, 424, 454, 530, 536, 670, 908, 1060, 1135, 1325, 1340, 1675, 1816, 2120, 2270, 2650, 2680, 3350, 3551, 4540, 5300, 5675, 6700, 7102, 9080, 10600, 11350, 12031, 13400, 14204, 15209, 17755, 22700, 24062, 28408, 30418, 35510, 45400, 48124, 60155, 60836, 71020, 76045, 88775, 96248, 120310, 121672, 142040, 152090, 177550, 240620, 300775, 304180, 355100, 380225, 481240, 601550, 608360, 710200, 760450, 806077, 1203100, 1520900, 1612154, 2406200, 3041800, 3224308, 4030385, 6448616, 8060770, 16121540, 20151925, 32243080, 40303850, 80607700, 161215400]

約数ペア:

[(1, 161215400), (2, 80607700), (4, 40303850), (5, 32243080), (8, 20151925), (10, 16121540), (20, 8060770), (25, 6448616), (40, 4030385), (50, 3224308), (53, 3041800), (67, 2406200), (100, 1612154), (106, 1520900), (134, 1203100), (200, 806077), (212, 760450), (227, 710200), (265, 608360), (268, 601550), (335, 481240), (424, 380225), (454, 355100), (530, 304180), (536, 300775), (670, 240620), (908, 177550), (1060, 152090), (1135, 142040), (1325, 121672), (1340, 120310), (1675, 96248), (1816, 88775), (2120, 76045), (2270, 71020), (2650, 60836), (2680, 60155), (3350, 48124), (3551, 45400), (4540, 35510), (5300, 30418), (5675, 28408), (6700, 24062), (7102, 22700), (9080, 17755), (10600, 15209), (11350, 14204), (12031, 13400)]