205323960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100649}}^1$

素因数の和:100680

約数の個数: 64

約数和(自身を含む): 652212000

約数和(自身を除く): 446888040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 100649, 201298, 301947, 402596, 503245, 603894, 805192, 1006490, 1207788, 1509735, 1711033, 2012980, 2415576, 3019470, 3422066, 4025960, 5133099, 6038940, 6844132, 8555165, 10266198, 12077880, 13688264, 17110330, 20532396, 25665495, 34220660, 41064792, 51330990, 68441320, 102661980, 205323960]

約数ペア:

[(1, 205323960), (2, 102661980), (3, 68441320), (4, 51330990), (5, 41064792), (6, 34220660), (8, 25665495), (10, 20532396), (12, 17110330), (15, 13688264), (17, 12077880), (20, 10266198), (24, 8555165), (30, 6844132), (34, 6038940), (40, 5133099), (51, 4025960), (60, 3422066), (68, 3019470), (85, 2415576), (102, 2012980), (120, 1711033), (136, 1509735), (170, 1207788), (204, 1006490), (255, 805192), (340, 603894), (408, 503245), (510, 402596), (680, 301947), (1020, 201298), (2040, 100649)]