31495520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:544

約数の個数: 96

約数和(自身を含む): 86619456

約数和(自身を除く): 55123936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 427, 461, 488, 560, 610, 854, 922, 976, 1120, 1220, 1708, 1844, 1952, 2135, 2305, 2440, 3227, 3416, 3688, 4270, 4610, 4880, 6454, 6832, 7376, 8540, 9220, 9760, 12908, 13664, 14752, 16135, 17080, 18440, 25816, 28121, 32270, 34160, 36880, 51632, 56242, 64540, 68320, 73760, 103264, 112484, 129080, 140605, 196847, 224968, 258160, 281210, 393694, 449936, 516320, 562420, 787388, 899872, 984235, 1124840, 1574776, 1968470, 2249680, 3149552, 3936940, 4499360, 6299104, 7873880, 15747760, 31495520]

約数ペア:

[(1, 31495520), (2, 15747760), (4, 7873880), (5, 6299104), (7, 4499360), (8, 3936940), (10, 3149552), (14, 2249680), (16, 1968470), (20, 1574776), (28, 1124840), (32, 984235), (35, 899872), (40, 787388), (56, 562420), (61, 516320), (70, 449936), (80, 393694), (112, 281210), (122, 258160), (140, 224968), (160, 196847), (224, 140605), (244, 129080), (280, 112484), (305, 103264), (427, 73760), (461, 68320), (488, 64540), (560, 56242), (610, 51632), (854, 36880), (922, 34160), (976, 32270), (1120, 28121), (1220, 25816), (1708, 18440), (1844, 17080), (1952, 16135), (2135, 14752), (2305, 13664), (2440, 12908), (3227, 9760), (3416, 9220), (3688, 8540), (4270, 7376), (4610, 6832), (4880, 6454)]