644795520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8191}}^1$

素因数の和:8254

約数の個数: 128

約数和(自身を含む): 2105671680

約数和(自身を除く): 1460876160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1640, 1920, 1968, 2460, 2624, 3280, 3936, 4920, 5248, 6560, 7872, 8191, 9840, 13120, 15744, 16382, 19680, 24573, 26240, 32764, 39360, 40955, 49146, 65528, 78720, 81910, 98292, 122865, 131056, 163820, 196584, 245730, 262112, 327640, 335831, 393168, 491460, 524224, 655280, 671662, 786336, 982920, 1007493, 1048448, 1310560, 1343324, 1572672, 1679155, 1965840, 2014986, 2621120, 2686648, 3145344, 3358310, 3931680, 4029972, 5037465, 5242240, 5373296, 6716620, 7863360, 8059944, 10074930, 10746592, 13433240, 15726720, 16119888, 20149860, 21493184, 26866480, 32239776, 40299720, 42986368, 53732960, 64479552, 80599440, 107465920, 128959104, 161198880, 214931840, 322397760, 644795520]

約数ペア:

[(1, 644795520), (2, 322397760), (3, 214931840), (4, 161198880), (5, 128959104), (6, 107465920), (8, 80599440), (10, 64479552), (12, 53732960), (15, 42986368), (16, 40299720), (20, 32239776), (24, 26866480), (30, 21493184), (32, 20149860), (40, 16119888), (41, 15726720), (48, 13433240), (60, 10746592), (64, 10074930), (80, 8059944), (82, 7863360), (96, 6716620), (120, 5373296), (123, 5242240), (128, 5037465), (160, 4029972), (164, 3931680), (192, 3358310), (205, 3145344), (240, 2686648), (246, 2621120), (320, 2014986), (328, 1965840), (384, 1679155), (410, 1572672), (480, 1343324), (492, 1310560), (615, 1048448), (640, 1007493), (656, 982920), (820, 786336), (960, 671662), (984, 655280), (1230, 524224), (1312, 491460), (1640, 393168), (1920, 335831), (1968, 327640), (2460, 262112), (2624, 245730), (3280, 196584), (3936, 163820), (4920, 131056), (5248, 122865), (6560, 98292), (7872, 81910), (8191, 78720), (9840, 65528), (13120, 49146), (15744, 40955), (16382, 39360), (19680, 32764), (24573, 26240)]