256879440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7591}}^1$

素因数の和:7657

約数の個数: 120

約数和(自身を含む): 881157888

約数和(自身を除く): 624278448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 705, 720, 752, 846, 940, 1128, 1410, 1692, 1880, 2115, 2256, 2820, 3384, 3760, 4230, 5640, 6768, 7591, 8460, 11280, 15182, 16920, 22773, 30364, 33840, 37955, 45546, 60728, 68319, 75910, 91092, 113865, 121456, 136638, 151820, 182184, 227730, 273276, 303640, 341595, 356777, 364368, 455460, 546552, 607280, 683190, 713554, 910920, 1070331, 1093104, 1366380, 1427108, 1783885, 1821840, 2140662, 2732760, 2854216, 3210993, 3567770, 4281324, 5351655, 5465520, 5708432, 6421986, 7135540, 8562648, 10703310, 12843972, 14271080, 16054965, 17125296, 21406620, 25687944, 28542160, 32109930, 42813240, 51375888, 64219860, 85626480, 128439720, 256879440]

約数ペア:

[(1, 256879440), (2, 128439720), (3, 85626480), (4, 64219860), (5, 51375888), (6, 42813240), (8, 32109930), (9, 28542160), (10, 25687944), (12, 21406620), (15, 17125296), (16, 16054965), (18, 14271080), (20, 12843972), (24, 10703310), (30, 8562648), (36, 7135540), (40, 6421986), (45, 5708432), (47, 5465520), (48, 5351655), (60, 4281324), (72, 3567770), (80, 3210993), (90, 2854216), (94, 2732760), (120, 2140662), (141, 1821840), (144, 1783885), (180, 1427108), (188, 1366380), (235, 1093104), (240, 1070331), (282, 910920), (360, 713554), (376, 683190), (423, 607280), (470, 546552), (564, 455460), (705, 364368), (720, 356777), (752, 341595), (846, 303640), (940, 273276), (1128, 227730), (1410, 182184), (1692, 151820), (1880, 136638), (2115, 121456), (2256, 113865), (2820, 91092), (3384, 75910), (3760, 68319), (4230, 60728), (5640, 45546), (6768, 37955), (7591, 33840), (8460, 30364), (11280, 22773), (15182, 16920)]