69247720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 162518400

約数和(自身を除く): 93270680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 659, 710, 740, 1318, 1420, 1480, 2627, 2636, 2840, 3295, 5254, 5272, 6590, 10508, 13135, 13180, 21016, 24383, 26270, 26360, 46789, 48766, 52540, 93578, 97532, 105080, 121915, 187156, 195064, 233945, 243830, 374312, 467890, 487660, 935780, 975320, 1731193, 1871560, 3462386, 6924772, 8655965, 13849544, 17311930, 34623860, 69247720]

約数ペア:

[(1, 69247720), (2, 34623860), (4, 17311930), (5, 13849544), (8, 8655965), (10, 6924772), (20, 3462386), (37, 1871560), (40, 1731193), (71, 975320), (74, 935780), (142, 487660), (148, 467890), (185, 374312), (284, 243830), (296, 233945), (355, 195064), (370, 187156), (568, 121915), (659, 105080), (710, 97532), (740, 93578), (1318, 52540), (1420, 48766), (1480, 46789), (2627, 26360), (2636, 26270), (2840, 24383), (3295, 21016), (5254, 13180), (5272, 13135), (6590, 10508)]