218923120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1163}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 551652192

約数和(自身を除く): 332729072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 260, 362, 520, 724, 905, 1040, 1163, 1448, 1810, 2326, 2353, 2896, 3620, 4652, 4706, 5815, 7240, 9304, 9412, 11630, 11765, 14480, 15119, 18608, 18824, 23260, 23530, 30238, 37648, 46520, 47060, 60476, 75595, 93040, 94120, 120952, 151190, 188240, 210503, 241904, 302380, 421006, 604760, 842012, 1052515, 1209520, 1684024, 2105030, 2736539, 3368048, 4210060, 5473078, 8420120, 10946156, 13682695, 16840240, 21892312, 27365390, 43784624, 54730780, 109461560, 218923120]

約数ペア:

[(1, 218923120), (2, 109461560), (4, 54730780), (5, 43784624), (8, 27365390), (10, 21892312), (13, 16840240), (16, 13682695), (20, 10946156), (26, 8420120), (40, 5473078), (52, 4210060), (65, 3368048), (80, 2736539), (104, 2105030), (130, 1684024), (181, 1209520), (208, 1052515), (260, 842012), (362, 604760), (520, 421006), (724, 302380), (905, 241904), (1040, 210503), (1163, 188240), (1448, 151190), (1810, 120952), (2326, 94120), (2353, 93040), (2896, 75595), (3620, 60476), (4652, 47060), (4706, 46520), (5815, 37648), (7240, 30238), (9304, 23530), (9412, 23260), (11630, 18824), (11765, 18608), (14480, 15119)]