205702560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20407}}^1$

素因数の和:20435

約数の個数: 144

約数和(自身を含む): 802279296

約数和(自身を除く): 596576736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20407, 40814, 61221, 81628, 102035, 122442, 142849, 163256, 183663, 204070, 244884, 285698, 306105, 326512, 367326, 408140, 428547, 489768, 571396, 612210, 653024, 714245, 734652, 816280, 857094, 918315, 979536, 1142792, 1224420, 1285641, 1428490, 1469304, 1632560, 1714188, 1836630, 1959072, 2142735, 2285584, 2448840, 2571282, 2856980, 2938608, 3265120, 3428376, 3673260, 4285470, 4571168, 4897680, 5142564, 5713960, 5877216, 6428205, 6856752, 7346520, 8570940, 9795360, 10285128, 11427920, 12856410, 13713504, 14693040, 17141880, 20570256, 22855840, 25712820, 29386080, 34283760, 41140512, 51425640, 68567520, 102851280, 205702560]

約数ペア:

[(1, 205702560), (2, 102851280), (3, 68567520), (4, 51425640), (5, 41140512), (6, 34283760), (7, 29386080), (8, 25712820), (9, 22855840), (10, 20570256), (12, 17141880), (14, 14693040), (15, 13713504), (16, 12856410), (18, 11427920), (20, 10285128), (21, 9795360), (24, 8570940), (28, 7346520), (30, 6856752), (32, 6428205), (35, 5877216), (36, 5713960), (40, 5142564), (42, 4897680), (45, 4571168), (48, 4285470), (56, 3673260), (60, 3428376), (63, 3265120), (70, 2938608), (72, 2856980), (80, 2571282), (84, 2448840), (90, 2285584), (96, 2142735), (105, 1959072), (112, 1836630), (120, 1714188), (126, 1632560), (140, 1469304), (144, 1428490), (160, 1285641), (168, 1224420), (180, 1142792), (210, 979536), (224, 918315), (240, 857094), (252, 816280), (280, 734652), (288, 714245), (315, 653024), (336, 612210), (360, 571396), (420, 489768), (480, 428547), (504, 408140), (560, 367326), (630, 326512), (672, 306105), (720, 285698), (840, 244884), (1008, 204070), (1120, 183663), (1260, 163256), (1440, 142849), (1680, 122442), (2016, 102035), (2520, 81628), (3360, 61221), (5040, 40814), (10080, 20407)]