80901720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:626

約数の個数: 128

約数和(自身を含む): 271857600

約数和(自身を除く): 190955880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 173, 180, 216, 270, 346, 360, 433, 519, 540, 692, 865, 866, 1038, 1080, 1299, 1384, 1557, 1730, 1732, 2076, 2165, 2595, 2598, 3114, 3460, 3464, 3897, 4152, 4330, 4671, 5190, 5196, 6228, 6495, 6920, 7785, 7794, 8660, 9342, 10380, 10392, 11691, 12456, 12990, 15570, 15588, 17320, 18684, 19485, 20760, 23355, 23382, 25980, 31140, 31176, 37368, 38970, 46710, 46764, 51960, 58455, 62280, 74909, 77940, 93420, 93528, 116910, 149818, 155880, 186840, 224727, 233820, 299636, 374545, 449454, 467640, 599272, 674181, 749090, 898908, 1123635, 1348362, 1498180, 1797816, 2022543, 2247270, 2696724, 2996360, 3370905, 4045086, 4494540, 5393448, 6741810, 8090172, 8989080, 10112715, 13483620, 16180344, 20225430, 26967240, 40450860, 80901720]

約数ペア:

[(1, 80901720), (2, 40450860), (3, 26967240), (4, 20225430), (5, 16180344), (6, 13483620), (8, 10112715), (9, 8989080), (10, 8090172), (12, 6741810), (15, 5393448), (18, 4494540), (20, 4045086), (24, 3370905), (27, 2996360), (30, 2696724), (36, 2247270), (40, 2022543), (45, 1797816), (54, 1498180), (60, 1348362), (72, 1123635), (90, 898908), (108, 749090), (120, 674181), (135, 599272), (173, 467640), (180, 449454), (216, 374545), (270, 299636), (346, 233820), (360, 224727), (433, 186840), (519, 155880), (540, 149818), (692, 116910), (865, 93528), (866, 93420), (1038, 77940), (1080, 74909), (1299, 62280), (1384, 58455), (1557, 51960), (1730, 46764), (1732, 46710), (2076, 38970), (2165, 37368), (2595, 31176), (2598, 31140), (3114, 25980), (3460, 23382), (3464, 23355), (3897, 20760), (4152, 19485), (4330, 18684), (4671, 17320), (5190, 15588), (5196, 15570), (6228, 12990), (6495, 12456), (6920, 11691), (7785, 10392), (7794, 10380), (8660, 9342)]