205920900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1439}}^1$

素因数の和:1515

約数の個数: 144

約数和(自身を含む): 674956800

約数和(自身を除く): 469035900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 53, 54, 60, 75, 90, 100, 106, 108, 135, 150, 159, 180, 212, 225, 265, 270, 300, 318, 450, 477, 530, 540, 636, 675, 795, 900, 954, 1060, 1325, 1350, 1431, 1439, 1590, 1908, 2385, 2650, 2700, 2862, 2878, 3180, 3975, 4317, 4770, 5300, 5724, 5756, 7155, 7195, 7950, 8634, 9540, 11925, 12951, 14310, 14390, 15900, 17268, 21585, 23850, 25902, 28620, 28780, 35775, 35975, 38853, 43170, 47700, 51804, 64755, 71550, 71950, 76267, 77706, 86340, 107925, 129510, 143100, 143900, 152534, 155412, 194265, 215850, 228801, 259020, 305068, 323775, 381335, 388530, 431700, 457602, 647550, 686403, 762670, 777060, 915204, 971325, 1144005, 1295100, 1372806, 1525340, 1906675, 1942650, 2059209, 2288010, 2745612, 3432015, 3813350, 3885300, 4118418, 4576020, 5720025, 6864030, 7626700, 8236836, 10296045, 11440050, 13728060, 17160075, 20592090, 22880100, 34320150, 41184180, 51480225, 68640300, 102960450, 205920900]

約数ペア:

[(1, 205920900), (2, 102960450), (3, 68640300), (4, 51480225), (5, 41184180), (6, 34320150), (9, 22880100), (10, 20592090), (12, 17160075), (15, 13728060), (18, 11440050), (20, 10296045), (25, 8236836), (27, 7626700), (30, 6864030), (36, 5720025), (45, 4576020), (50, 4118418), (53, 3885300), (54, 3813350), (60, 3432015), (75, 2745612), (90, 2288010), (100, 2059209), (106, 1942650), (108, 1906675), (135, 1525340), (150, 1372806), (159, 1295100), (180, 1144005), (212, 971325), (225, 915204), (265, 777060), (270, 762670), (300, 686403), (318, 647550), (450, 457602), (477, 431700), (530, 388530), (540, 381335), (636, 323775), (675, 305068), (795, 259020), (900, 228801), (954, 215850), (1060, 194265), (1325, 155412), (1350, 152534), (1431, 143900), (1439, 143100), (1590, 129510), (1908, 107925), (2385, 86340), (2650, 77706), (2700, 76267), (2862, 71950), (2878, 71550), (3180, 64755), (3975, 51804), (4317, 47700), (4770, 43170), (5300, 38853), (5724, 35975), (5756, 35775), (7155, 28780), (7195, 28620), (7950, 25902), (8634, 23850), (9540, 21585), (11925, 17268), (12951, 15900), (14310, 14390)]