80294880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{409}}^2$

素因数の和:836

約数の個数: 72

約数和(自身を含む): 253548792

約数和(自身を除く): 173253912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 409, 480, 818, 1227, 1636, 2045, 2454, 3272, 4090, 4908, 6135, 6544, 8180, 9816, 12270, 13088, 16360, 19632, 24540, 32720, 39264, 49080, 65440, 98160, 167281, 196320, 334562, 501843, 669124, 836405, 1003686, 1338248, 1672810, 2007372, 2509215, 2676496, 3345620, 4014744, 5018430, 5352992, 6691240, 8029488, 10036860, 13382480, 16058976, 20073720, 26764960, 40147440, 80294880]

約数ペア:

[(1, 80294880), (2, 40147440), (3, 26764960), (4, 20073720), (5, 16058976), (6, 13382480), (8, 10036860), (10, 8029488), (12, 6691240), (15, 5352992), (16, 5018430), (20, 4014744), (24, 3345620), (30, 2676496), (32, 2509215), (40, 2007372), (48, 1672810), (60, 1338248), (80, 1003686), (96, 836405), (120, 669124), (160, 501843), (240, 334562), (409, 196320), (480, 167281), (818, 98160), (1227, 65440), (1636, 49080), (2045, 39264), (2454, 32720), (3272, 24540), (4090, 19632), (4908, 16360), (6135, 13088), (6544, 12270), (8180, 9816)]