20078160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 62674560

約数和(自身を除く): 42596400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269, 311, 538, 622, 807, 933, 1076, 1244, 1345, 1555, 1614, 1866, 2152, 2488, 2690, 3110, 3228, 3732, 4035, 4304, 4665, 4976, 5380, 6220, 6456, 7464, 8070, 9330, 10760, 12440, 12912, 14928, 16140, 18660, 21520, 24880, 32280, 37320, 64560, 74640, 83659, 167318, 250977, 334636, 418295, 501954, 669272, 836590, 1003908, 1254885, 1338544, 1673180, 2007816, 2509770, 3346360, 4015632, 5019540, 6692720, 10039080, 20078160]

約数ペア:

[(1, 20078160), (2, 10039080), (3, 6692720), (4, 5019540), (5, 4015632), (6, 3346360), (8, 2509770), (10, 2007816), (12, 1673180), (15, 1338544), (16, 1254885), (20, 1003908), (24, 836590), (30, 669272), (40, 501954), (48, 418295), (60, 334636), (80, 250977), (120, 167318), (240, 83659), (269, 74640), (311, 64560), (538, 37320), (622, 32280), (807, 24880), (933, 21520), (1076, 18660), (1244, 16140), (1345, 14928), (1555, 12912), (1614, 12440), (1866, 10760), (2152, 9330), (2488, 8070), (2690, 7464), (3110, 6456), (3228, 6220), (3732, 5380), (4035, 4976), (4304, 4665)]