201615900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 606627840

約数和(自身を除く): 405011940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 47, 50, 60, 75, 79, 94, 100, 141, 150, 158, 181, 188, 235, 237, 282, 300, 316, 362, 395, 470, 474, 543, 564, 705, 724, 790, 905, 940, 948, 1086, 1175, 1185, 1410, 1580, 1810, 1975, 2172, 2350, 2370, 2715, 2820, 3525, 3620, 3713, 3950, 4525, 4700, 4740, 5430, 5925, 7050, 7426, 7900, 8507, 9050, 10860, 11139, 11850, 13575, 14100, 14299, 14852, 17014, 18100, 18565, 22278, 23700, 25521, 27150, 28598, 34028, 37130, 42535, 42897, 44556, 51042, 54300, 55695, 57196, 71495, 74260, 85070, 85794, 92825, 102084, 111390, 127605, 142990, 170140, 171588, 185650, 212675, 214485, 222780, 255210, 278475, 285980, 357475, 371300, 425350, 428970, 510420, 556950, 638025, 672053, 714950, 850700, 857940, 1072425, 1113900, 1276050, 1344106, 1429900, 2016159, 2144850, 2552100, 2688212, 3360265, 4032318, 4289700, 6720530, 8064636, 10080795, 13441060, 16801325, 20161590, 33602650, 40323180, 50403975, 67205300, 100807950, 201615900]

約数ペア:

[(1, 201615900), (2, 100807950), (3, 67205300), (4, 50403975), (5, 40323180), (6, 33602650), (10, 20161590), (12, 16801325), (15, 13441060), (20, 10080795), (25, 8064636), (30, 6720530), (47, 4289700), (50, 4032318), (60, 3360265), (75, 2688212), (79, 2552100), (94, 2144850), (100, 2016159), (141, 1429900), (150, 1344106), (158, 1276050), (181, 1113900), (188, 1072425), (235, 857940), (237, 850700), (282, 714950), (300, 672053), (316, 638025), (362, 556950), (395, 510420), (470, 428970), (474, 425350), (543, 371300), (564, 357475), (705, 285980), (724, 278475), (790, 255210), (905, 222780), (940, 214485), (948, 212675), (1086, 185650), (1175, 171588), (1185, 170140), (1410, 142990), (1580, 127605), (1810, 111390), (1975, 102084), (2172, 92825), (2350, 85794), (2370, 85070), (2715, 74260), (2820, 71495), (3525, 57196), (3620, 55695), (3713, 54300), (3950, 51042), (4525, 44556), (4700, 42897), (4740, 42535), (5430, 37130), (5925, 34028), (7050, 28598), (7426, 27150), (7900, 25521), (8507, 23700), (9050, 22278), (10860, 18565), (11139, 18100), (11850, 17014), (13575, 14852), (14100, 14299)]