225984720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72431}}^1$

素因数の和:72460

約数の個数: 80

約数和(自身を含む): 754451712

約数和(自身を除く): 528466992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 72431, 144862, 217293, 289724, 362155, 434586, 579448, 724310, 869172, 941603, 1086465, 1158896, 1448620, 1738344, 1883206, 2172930, 2824809, 2897240, 3476688, 3766412, 4345860, 4708015, 5649618, 5794480, 7532824, 8691720, 9416030, 11299236, 14124045, 15065648, 17383440, 18832060, 22598472, 28248090, 37664120, 45196944, 56496180, 75328240, 112992360, 225984720]

約数ペア:

[(1, 225984720), (2, 112992360), (3, 75328240), (4, 56496180), (5, 45196944), (6, 37664120), (8, 28248090), (10, 22598472), (12, 18832060), (13, 17383440), (15, 15065648), (16, 14124045), (20, 11299236), (24, 9416030), (26, 8691720), (30, 7532824), (39, 5794480), (40, 5649618), (48, 4708015), (52, 4345860), (60, 3766412), (65, 3476688), (78, 2897240), (80, 2824809), (104, 2172930), (120, 1883206), (130, 1738344), (156, 1448620), (195, 1158896), (208, 1086465), (240, 941603), (260, 869172), (312, 724310), (390, 579448), (520, 434586), (624, 362155), (780, 289724), (1040, 217293), (1560, 144862), (3120, 72431)]