490256640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{42557}}^1$

素因数の和:42584

約数の個数: 108

約数和(自身を含む): 1696276764

約数和(自身を除く): 1206020124

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 42557, 85114, 127671, 170228, 212785, 255342, 340456, 383013, 425570, 510684, 638355, 680912, 766026, 851140, 1021368, 1276710, 1361824, 1532052, 1702280, 1915065, 2042736, 2553420, 2723648, 3064104, 3404560, 3830130, 4085472, 5106840, 5447296, 6128208, 6809120, 7660260, 8170944, 10213680, 10894592, 12256416, 13618240, 15320520, 16341888, 20427360, 24512832, 27236480, 30641040, 32683776, 40854720, 49025664, 54472960, 61282080, 81709440, 98051328, 122564160, 163418880, 245128320, 490256640]

約数ペア:

[(1, 490256640), (2, 245128320), (3, 163418880), (4, 122564160), (5, 98051328), (6, 81709440), (8, 61282080), (9, 54472960), (10, 49025664), (12, 40854720), (15, 32683776), (16, 30641040), (18, 27236480), (20, 24512832), (24, 20427360), (30, 16341888), (32, 15320520), (36, 13618240), (40, 12256416), (45, 10894592), (48, 10213680), (60, 8170944), (64, 7660260), (72, 6809120), (80, 6128208), (90, 5447296), (96, 5106840), (120, 4085472), (128, 3830130), (144, 3404560), (160, 3064104), (180, 2723648), (192, 2553420), (240, 2042736), (256, 1915065), (288, 1702280), (320, 1532052), (360, 1361824), (384, 1276710), (480, 1021368), (576, 851140), (640, 766026), (720, 680912), (768, 638355), (960, 510684), (1152, 425570), (1280, 383013), (1440, 340456), (1920, 255342), (2304, 212785), (2880, 170228), (3840, 127671), (5760, 85114), (11520, 42557)]