8988720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 31164672

約数和(自身を除く): 22175952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 43, 48, 52, 60, 65, 67, 78, 80, 86, 104, 120, 129, 130, 134, 156, 172, 195, 201, 208, 215, 240, 258, 260, 268, 312, 335, 344, 390, 402, 430, 516, 520, 536, 559, 624, 645, 670, 688, 780, 804, 860, 871, 1005, 1032, 1040, 1072, 1118, 1290, 1340, 1560, 1608, 1677, 1720, 1742, 2010, 2064, 2236, 2580, 2613, 2680, 2795, 2881, 3120, 3216, 3354, 3440, 3484, 4020, 4355, 4472, 5160, 5226, 5360, 5590, 5762, 6708, 6968, 8040, 8385, 8643, 8710, 8944, 10320, 10452, 11180, 11524, 13065, 13416, 13936, 14405, 16080, 16770, 17286, 17420, 20904, 22360, 23048, 26130, 26832, 28810, 33540, 34572, 34840, 37453, 41808, 43215, 44720, 46096, 52260, 57620, 67080, 69144, 69680, 74906, 86430, 104520, 112359, 115240, 134160, 138288, 149812, 172860, 187265, 209040, 224718, 230480, 299624, 345720, 374530, 449436, 561795, 599248, 691440, 749060, 898872, 1123590, 1498120, 1797744, 2247180, 2996240, 4494360, 8988720]

約数ペア:

[(1, 8988720), (2, 4494360), (3, 2996240), (4, 2247180), (5, 1797744), (6, 1498120), (8, 1123590), (10, 898872), (12, 749060), (13, 691440), (15, 599248), (16, 561795), (20, 449436), (24, 374530), (26, 345720), (30, 299624), (39, 230480), (40, 224718), (43, 209040), (48, 187265), (52, 172860), (60, 149812), (65, 138288), (67, 134160), (78, 115240), (80, 112359), (86, 104520), (104, 86430), (120, 74906), (129, 69680), (130, 69144), (134, 67080), (156, 57620), (172, 52260), (195, 46096), (201, 44720), (208, 43215), (215, 41808), (240, 37453), (258, 34840), (260, 34572), (268, 33540), (312, 28810), (335, 26832), (344, 26130), (390, 23048), (402, 22360), (430, 20904), (516, 17420), (520, 17286), (536, 16770), (559, 16080), (624, 14405), (645, 13936), (670, 13416), (688, 13065), (780, 11524), (804, 11180), (860, 10452), (871, 10320), (1005, 8944), (1032, 8710), (1040, 8643), (1072, 8385), (1118, 8040), (1290, 6968), (1340, 6708), (1560, 5762), (1608, 5590), (1677, 5360), (1720, 5226), (1742, 5160), (2010, 4472), (2064, 4355), (2236, 4020), (2580, 3484), (2613, 3440), (2680, 3354), (2795, 3216), (2881, 3120)]