490295040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127681}}^1$

素因数の和:127705

約数の個数: 72

約数和(自身を含む): 1565892048

約数和(自身を除く): 1075597008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 127681, 255362, 383043, 510724, 638405, 766086, 1021448, 1276810, 1532172, 1915215, 2042896, 2553620, 3064344, 3830430, 4085792, 5107240, 6128688, 7660860, 8171584, 10214480, 12257376, 15321720, 16343168, 20428960, 24514752, 30643440, 32686336, 40857920, 49029504, 61286880, 81715840, 98059008, 122573760, 163431680, 245147520, 490295040]

約数ペア:

[(1, 490295040), (2, 245147520), (3, 163431680), (4, 122573760), (5, 98059008), (6, 81715840), (8, 61286880), (10, 49029504), (12, 40857920), (15, 32686336), (16, 30643440), (20, 24514752), (24, 20428960), (30, 16343168), (32, 15321720), (40, 12257376), (48, 10214480), (60, 8171584), (64, 7660860), (80, 6128688), (96, 5107240), (120, 4085792), (128, 3830430), (160, 3064344), (192, 2553620), (240, 2042896), (256, 1915215), (320, 1532172), (384, 1276810), (480, 1021448), (640, 766086), (768, 638405), (960, 510724), (1280, 383043), (1920, 255362), (3840, 127681)]