1280491800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{304879}}^1$

素因数の和:304905

約数の個数: 96

約数和(自身を含む): 4536614400

約数和(自身を除く): 3256122600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 304879, 609758, 914637, 1219516, 1524395, 1829274, 2134153, 2439032, 3048790, 3658548, 4268306, 4573185, 6097580, 6402459, 7317096, 7621975, 8536612, 9146370, 10670765, 12195160, 12804918, 15243950, 17073224, 18292740, 21341530, 22865925, 25609836, 30487900, 32012295, 36585480, 42683060, 45731850, 51219672, 53353825, 60975800, 64024590, 85366120, 91463700, 106707650, 128049180, 160061475, 182927400, 213415300, 256098360, 320122950, 426830600, 640245900, 1280491800]

約数ペア:

[(1, 1280491800), (2, 640245900), (3, 426830600), (4, 320122950), (5, 256098360), (6, 213415300), (7, 182927400), (8, 160061475), (10, 128049180), (12, 106707650), (14, 91463700), (15, 85366120), (20, 64024590), (21, 60975800), (24, 53353825), (25, 51219672), (28, 45731850), (30, 42683060), (35, 36585480), (40, 32012295), (42, 30487900), (50, 25609836), (56, 22865925), (60, 21341530), (70, 18292740), (75, 17073224), (84, 15243950), (100, 12804918), (105, 12195160), (120, 10670765), (140, 9146370), (150, 8536612), (168, 7621975), (175, 7317096), (200, 6402459), (210, 6097580), (280, 4573185), (300, 4268306), (350, 3658548), (420, 3048790), (525, 2439032), (600, 2134153), (700, 1829274), (840, 1524395), (1050, 1219516), (1400, 914637), (2100, 609758), (4200, 304879)]