639799440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1021}}^1$

素因数の和:1417

約数の個数: 160

約数和(自身を含む): 2275021056

約数和(自身を除く): 1635221616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 373, 420, 560, 746, 840, 1021, 1119, 1492, 1680, 1865, 2042, 2238, 2611, 2984, 3063, 3730, 4084, 4476, 5105, 5222, 5595, 5968, 6126, 7147, 7460, 7833, 8168, 8952, 10210, 10444, 11190, 12252, 13055, 14294, 14920, 15315, 15666, 16336, 17904, 20420, 20888, 21441, 22380, 24504, 26110, 28588, 29840, 30630, 31332, 35735, 39165, 40840, 41776, 42882, 44760, 49008, 52220, 57176, 61260, 62664, 71470, 78330, 81680, 85764, 89520, 104440, 107205, 114352, 122520, 125328, 142940, 156660, 171528, 208880, 214410, 245040, 285880, 313320, 343056, 380833, 428820, 571760, 626640, 761666, 857640, 1142499, 1523332, 1715280, 1904165, 2284998, 2665831, 3046664, 3808330, 4569996, 5331662, 5712495, 6093328, 7616660, 7997493, 9139992, 10663324, 11424990, 13329155, 15233320, 15994986, 18279984, 21326648, 22849980, 26658310, 30466640, 31989972, 39987465, 42653296, 45699960, 53316620, 63979944, 79974930, 91399920, 106633240, 127959888, 159949860, 213266480, 319899720, 639799440]

約数ペア:

[(1, 639799440), (2, 319899720), (3, 213266480), (4, 159949860), (5, 127959888), (6, 106633240), (7, 91399920), (8, 79974930), (10, 63979944), (12, 53316620), (14, 45699960), (15, 42653296), (16, 39987465), (20, 31989972), (21, 30466640), (24, 26658310), (28, 22849980), (30, 21326648), (35, 18279984), (40, 15994986), (42, 15233320), (48, 13329155), (56, 11424990), (60, 10663324), (70, 9139992), (80, 7997493), (84, 7616660), (105, 6093328), (112, 5712495), (120, 5331662), (140, 4569996), (168, 3808330), (210, 3046664), (240, 2665831), (280, 2284998), (336, 1904165), (373, 1715280), (420, 1523332), (560, 1142499), (746, 857640), (840, 761666), (1021, 626640), (1119, 571760), (1492, 428820), (1680, 380833), (1865, 343056), (2042, 313320), (2238, 285880), (2611, 245040), (2984, 214410), (3063, 208880), (3730, 171528), (4084, 156660), (4476, 142940), (5105, 125328), (5222, 122520), (5595, 114352), (5968, 107205), (6126, 104440), (7147, 89520), (7460, 85764), (7833, 81680), (8168, 78330), (8952, 71470), (10210, 62664), (10444, 61260), (11190, 57176), (12252, 52220), (13055, 49008), (14294, 44760), (14920, 42882), (15315, 41776), (15666, 40840), (16336, 39165), (17904, 35735), (20420, 31332), (20888, 30630), (21441, 29840), (22380, 28588), (24504, 26110)]