507747760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15749}}^1$

素因数の和:15806

約数の個数: 80

約数和(自身を含む): 1312416000

約数和(自身を除く): 804668240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 15749, 16120, 31498, 32240, 62996, 78745, 125992, 157490, 204737, 251984, 314980, 409474, 488219, 629960, 818948, 976438, 1023685, 1259920, 1637896, 1952876, 2047370, 2441095, 3275792, 3905752, 4094740, 4882190, 6346847, 7811504, 8189480, 9764380, 12693694, 16378960, 19528760, 25387388, 31734235, 39057520, 50774776, 63468470, 101549552, 126936940, 253873880, 507747760]

約数ペア:

[(1, 507747760), (2, 253873880), (4, 126936940), (5, 101549552), (8, 63468470), (10, 50774776), (13, 39057520), (16, 31734235), (20, 25387388), (26, 19528760), (31, 16378960), (40, 12693694), (52, 9764380), (62, 8189480), (65, 7811504), (80, 6346847), (104, 4882190), (124, 4094740), (130, 3905752), (155, 3275792), (208, 2441095), (248, 2047370), (260, 1952876), (310, 1637896), (403, 1259920), (496, 1023685), (520, 976438), (620, 818948), (806, 629960), (1040, 488219), (1240, 409474), (1612, 314980), (2015, 251984), (2480, 204737), (3224, 157490), (4030, 125992), (6448, 78745), (8060, 62996), (15749, 32240), (16120, 31498)]