1620565500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{541}}^1\times {\mathrm{1997}}^1$

素因数の和:2560

約数の個数: 96

約数和(自身を含む): 4730177088

約数和(自身を除く): 3109611588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 541, 750, 1082, 1500, 1623, 1997, 2164, 2705, 3246, 3994, 5410, 5991, 6492, 7988, 8115, 9985, 10820, 11982, 13525, 16230, 19970, 23964, 27050, 29955, 32460, 39940, 40575, 49925, 54100, 59910, 67625, 81150, 99850, 119820, 135250, 149775, 162300, 199700, 202875, 249625, 270500, 299550, 405750, 499250, 599100, 748875, 811500, 998500, 1080377, 1497750, 2160754, 2995500, 3241131, 4321508, 5401885, 6482262, 10803770, 12964524, 16205655, 21607540, 27009425, 32411310, 54018850, 64822620, 81028275, 108037700, 135047125, 162056550, 270094250, 324113100, 405141375, 540188500, 810282750, 1620565500]

約数ペア:

[(1, 1620565500), (2, 810282750), (3, 540188500), (4, 405141375), (5, 324113100), (6, 270094250), (10, 162056550), (12, 135047125), (15, 108037700), (20, 81028275), (25, 64822620), (30, 54018850), (50, 32411310), (60, 27009425), (75, 21607540), (100, 16205655), (125, 12964524), (150, 10803770), (250, 6482262), (300, 5401885), (375, 4321508), (500, 3241131), (541, 2995500), (750, 2160754), (1082, 1497750), (1500, 1080377), (1623, 998500), (1997, 811500), (2164, 748875), (2705, 599100), (3246, 499250), (3994, 405750), (5410, 299550), (5991, 270500), (6492, 249625), (7988, 202875), (8115, 199700), (9985, 162300), (10820, 149775), (11982, 135250), (13525, 119820), (16230, 99850), (19970, 81150), (23964, 67625), (27050, 59910), (29955, 54100), (32460, 49925), (39940, 40575)]