215047500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 640032624

約数和(自身を除く): 424985124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 53, 60, 75, 100, 106, 125, 150, 159, 212, 250, 265, 300, 318, 375, 500, 530, 541, 625, 636, 750, 795, 1060, 1082, 1250, 1325, 1500, 1590, 1623, 1875, 2164, 2500, 2650, 2705, 3180, 3246, 3750, 3975, 5300, 5410, 6492, 6625, 7500, 7950, 8115, 10820, 13250, 13525, 15900, 16230, 19875, 26500, 27050, 28673, 32460, 33125, 39750, 40575, 54100, 57346, 66250, 67625, 79500, 81150, 86019, 99375, 114692, 132500, 135250, 143365, 162300, 172038, 198750, 202875, 270500, 286730, 338125, 344076, 397500, 405750, 430095, 573460, 676250, 716825, 811500, 860190, 1014375, 1352500, 1433650, 1720380, 2028750, 2150475, 2867300, 3584125, 4057500, 4300950, 7168250, 8601900, 10752375, 14336500, 17920625, 21504750, 35841250, 43009500, 53761875, 71682500, 107523750, 215047500]

約数ペア:

[(1, 215047500), (2, 107523750), (3, 71682500), (4, 53761875), (5, 43009500), (6, 35841250), (10, 21504750), (12, 17920625), (15, 14336500), (20, 10752375), (25, 8601900), (30, 7168250), (50, 4300950), (53, 4057500), (60, 3584125), (75, 2867300), (100, 2150475), (106, 2028750), (125, 1720380), (150, 1433650), (159, 1352500), (212, 1014375), (250, 860190), (265, 811500), (300, 716825), (318, 676250), (375, 573460), (500, 430095), (530, 405750), (541, 397500), (625, 344076), (636, 338125), (750, 286730), (795, 270500), (1060, 202875), (1082, 198750), (1250, 172038), (1325, 162300), (1500, 143365), (1590, 135250), (1623, 132500), (1875, 114692), (2164, 99375), (2500, 86019), (2650, 81150), (2705, 79500), (3180, 67625), (3246, 66250), (3750, 57346), (3975, 54100), (5300, 40575), (5410, 39750), (6492, 33125), (6625, 32460), (7500, 28673), (7950, 27050), (8115, 26500), (10820, 19875), (13250, 16230), (13525, 15900)]