51381720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10979}}^1$

素因数の和:11009

約数の個数: 96

約数和(自身を含む): 179852400

約数和(自身を除く): 128470680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 10979, 21958, 32937, 43916, 54895, 65874, 87832, 98811, 109790, 131748, 142727, 164685, 197622, 219580, 263496, 285454, 329370, 395244, 428181, 439160, 494055, 570908, 658740, 713635, 790488, 856362, 988110, 1141816, 1284543, 1317480, 1427270, 1712724, 1976220, 2140905, 2569086, 2854540, 3425448, 3952440, 4281810, 5138172, 5709080, 6422715, 8563620, 10276344, 12845430, 17127240, 25690860, 51381720]

約数ペア:

[(1, 51381720), (2, 25690860), (3, 17127240), (4, 12845430), (5, 10276344), (6, 8563620), (8, 6422715), (9, 5709080), (10, 5138172), (12, 4281810), (13, 3952440), (15, 3425448), (18, 2854540), (20, 2569086), (24, 2140905), (26, 1976220), (30, 1712724), (36, 1427270), (39, 1317480), (40, 1284543), (45, 1141816), (52, 988110), (60, 856362), (65, 790488), (72, 713635), (78, 658740), (90, 570908), (104, 494055), (117, 439160), (120, 428181), (130, 395244), (156, 329370), (180, 285454), (195, 263496), (234, 219580), (260, 197622), (312, 164685), (360, 142727), (390, 131748), (468, 109790), (520, 98811), (585, 87832), (780, 65874), (936, 54895), (1170, 43916), (1560, 32937), (2340, 21958), (4680, 10979)]