490778880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127807}}^1$

素因数の和:127831

約数の個数: 72

約数和(自身を含む): 1567437312

約数和(自身を除く): 1076658432

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, 127807, 255614, 383421, 511228, 639035, 766842, 1022456, 1278070, 1533684, 1917105, 2044912, 2556140, 3067368, 3834210, 4089824, 5112280, 6134736, 7668420, 8179648, 10224560, 12269472, 15336840, 16359296, 20449120, 24538944, 30673680, 32718592, 40898240, 49077888, 61347360, 81796480, 98155776, 122694720, 163592960, 245389440, 490778880]

約数ペア:

[(1, 490778880), (2, 245389440), (3, 163592960), (4, 122694720), (5, 98155776), (6, 81796480), (8, 61347360), (10, 49077888), (12, 40898240), (15, 32718592), (16, 30673680), (20, 24538944), (24, 20449120), (30, 16359296), (32, 15336840), (40, 12269472), (48, 10224560), (60, 8179648), (64, 7668420), (80, 6134736), (96, 5112280), (120, 4089824), (128, 3834210), (160, 3067368), (192, 2556140), (240, 2044912), (256, 1917105), (320, 1533684), (384, 1278070), (480, 1022456), (640, 766842), (768, 639035), (960, 511228), (1280, 383421), (1920, 255614), (3840, 127807)]