31399440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3191}}^1$

素因数の和:3248

約数の個数: 80

約数和(自身を含む): 99743616

約数和(自身を除く): 68344176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3191, 3280, 4920, 6382, 9573, 9840, 12764, 15955, 19146, 25528, 31910, 38292, 47865, 51056, 63820, 76584, 95730, 127640, 130831, 153168, 191460, 255280, 261662, 382920, 392493, 523324, 654155, 765840, 784986, 1046648, 1308310, 1569972, 1962465, 2093296, 2616620, 3139944, 3924930, 5233240, 6279888, 7849860, 10466480, 15699720, 31399440]

約数ペア:

[(1, 31399440), (2, 15699720), (3, 10466480), (4, 7849860), (5, 6279888), (6, 5233240), (8, 3924930), (10, 3139944), (12, 2616620), (15, 2093296), (16, 1962465), (20, 1569972), (24, 1308310), (30, 1046648), (40, 784986), (41, 765840), (48, 654155), (60, 523324), (80, 392493), (82, 382920), (120, 261662), (123, 255280), (164, 191460), (205, 153168), (240, 130831), (246, 127640), (328, 95730), (410, 76584), (492, 63820), (615, 51056), (656, 47865), (820, 38292), (984, 31910), (1230, 25528), (1640, 19146), (1968, 15955), (2460, 12764), (3191, 9840), (3280, 9573), (4920, 6382)]