15402880

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 37784880

約数和(自身を除く): 22382000

約数列:

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

約数ペア:

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