642214920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1327}}^1$

素因数の和:1487

約数の個数: 128

約数和(自身を含む): 1998374400

約数和(自身を除く): 1356159480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 109, 111, 120, 148, 185, 218, 222, 296, 327, 370, 436, 444, 545, 555, 654, 740, 872, 888, 1090, 1110, 1308, 1327, 1480, 1635, 2180, 2220, 2616, 2654, 3270, 3981, 4033, 4360, 4440, 5308, 6540, 6635, 7962, 8066, 10616, 12099, 13080, 13270, 15924, 16132, 19905, 20165, 24198, 26540, 31848, 32264, 39810, 40330, 48396, 49099, 53080, 60495, 79620, 80660, 96792, 98198, 120990, 144643, 147297, 159240, 161320, 196396, 241980, 245495, 289286, 294594, 392792, 433929, 483960, 490990, 578572, 589188, 723215, 736485, 867858, 981980, 1157144, 1178376, 1446430, 1472970, 1735716, 1963960, 2169645, 2892860, 2945940, 3471432, 4339290, 5351791, 5785720, 5891880, 8678580, 10703582, 16055373, 17357160, 21407164, 26758955, 32110746, 42814328, 53517910, 64221492, 80276865, 107035820, 128442984, 160553730, 214071640, 321107460, 642214920]

約数ペア:

[(1, 642214920), (2, 321107460), (3, 214071640), (4, 160553730), (5, 128442984), (6, 107035820), (8, 80276865), (10, 64221492), (12, 53517910), (15, 42814328), (20, 32110746), (24, 26758955), (30, 21407164), (37, 17357160), (40, 16055373), (60, 10703582), (74, 8678580), (109, 5891880), (111, 5785720), (120, 5351791), (148, 4339290), (185, 3471432), (218, 2945940), (222, 2892860), (296, 2169645), (327, 1963960), (370, 1735716), (436, 1472970), (444, 1446430), (545, 1178376), (555, 1157144), (654, 981980), (740, 867858), (872, 736485), (888, 723215), (1090, 589188), (1110, 578572), (1308, 490990), (1327, 483960), (1480, 433929), (1635, 392792), (2180, 294594), (2220, 289286), (2616, 245495), (2654, 241980), (3270, 196396), (3981, 161320), (4033, 159240), (4360, 147297), (4440, 144643), (5308, 120990), (6540, 98198), (6635, 96792), (7962, 80660), (8066, 79620), (10616, 60495), (12099, 53080), (13080, 49099), (13270, 48396), (15924, 40330), (16132, 39810), (19905, 32264), (20165, 31848), (24198, 26540)]