44777680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 111153600

約数和(自身を除く): 66375920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 331, 356, 380, 445, 662, 712, 760, 890, 1324, 1424, 1520, 1655, 1691, 1780, 2648, 3310, 3382, 3560, 5296, 6289, 6620, 6764, 7120, 8455, 12578, 13240, 13528, 16910, 25156, 26480, 27056, 29459, 31445, 33820, 50312, 58918, 62890, 67640, 100624, 117836, 125780, 135280, 147295, 235672, 251560, 294590, 471344, 503120, 559721, 589180, 1119442, 1178360, 2238884, 2356720, 2798605, 4477768, 5597210, 8955536, 11194420, 22388840, 44777680]

約数ペア:

[(1, 44777680), (2, 22388840), (4, 11194420), (5, 8955536), (8, 5597210), (10, 4477768), (16, 2798605), (19, 2356720), (20, 2238884), (38, 1178360), (40, 1119442), (76, 589180), (80, 559721), (89, 503120), (95, 471344), (152, 294590), (178, 251560), (190, 235672), (304, 147295), (331, 135280), (356, 125780), (380, 117836), (445, 100624), (662, 67640), (712, 62890), (760, 58918), (890, 50312), (1324, 33820), (1424, 31445), (1520, 29459), (1655, 27056), (1691, 26480), (1780, 25156), (2648, 16910), (3310, 13528), (3382, 13240), (3560, 12578), (5296, 8455), (6289, 7120), (6620, 6764)]