8736240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 27453600

約数和(自身を除く): 18717360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 409, 445, 534, 712, 818, 890, 1068, 1227, 1335, 1424, 1636, 1780, 2045, 2136, 2454, 2670, 3272, 3560, 4090, 4272, 4908, 5340, 6135, 6544, 7120, 8180, 9816, 10680, 12270, 16360, 19632, 21360, 24540, 32720, 36401, 49080, 72802, 98160, 109203, 145604, 182005, 218406, 291208, 364010, 436812, 546015, 582416, 728020, 873624, 1092030, 1456040, 1747248, 2184060, 2912080, 4368120, 8736240]

約数ペア:

[(1, 8736240), (2, 4368120), (3, 2912080), (4, 2184060), (5, 1747248), (6, 1456040), (8, 1092030), (10, 873624), (12, 728020), (15, 582416), (16, 546015), (20, 436812), (24, 364010), (30, 291208), (40, 218406), (48, 182005), (60, 145604), (80, 109203), (89, 98160), (120, 72802), (178, 49080), (240, 36401), (267, 32720), (356, 24540), (409, 21360), (445, 19632), (534, 16360), (712, 12270), (818, 10680), (890, 9816), (1068, 8180), (1227, 7120), (1335, 6544), (1424, 6135), (1636, 5340), (1780, 4908), (2045, 4272), (2136, 4090), (2454, 3560), (2670, 3272)]