30805760

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 75717936

約数和(自身を除く): 44912176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 587, 640, 656, 820, 1174, 1280, 1312, 1640, 2348, 2624, 2935, 3280, 4696, 5248, 5870, 6560, 9392, 10496, 11740, 13120, 18784, 23480, 24067, 26240, 37568, 46960, 48134, 52480, 75136, 93920, 96268, 120335, 150272, 187840, 192536, 240670, 375680, 385072, 481340, 751360, 770144, 962680, 1540288, 1925360, 3080576, 3850720, 6161152, 7701440, 15402880, 30805760]

約数ペア:

[(1, 30805760), (2, 15402880), (4, 7701440), (5, 6161152), (8, 3850720), (10, 3080576), (16, 1925360), (20, 1540288), (32, 962680), (40, 770144), (41, 751360), (64, 481340), (80, 385072), (82, 375680), (128, 240670), (160, 192536), (164, 187840), (205, 150272), (256, 120335), (320, 96268), (328, 93920), (410, 75136), (587, 52480), (640, 48134), (656, 46960), (820, 37568), (1174, 26240), (1280, 24067), (1312, 23480), (1640, 18784), (2348, 13120), (2624, 11740), (2935, 10496), (3280, 9392), (4696, 6560), (5248, 5870)]