180705980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{99289}}^1$

素因数の和:99318

約数の個数: 48

約数和(自身を含む): 467060160

約数和(自身を除く): 286354180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 99289, 198578, 397156, 496445, 695023, 992890, 1290757, 1390046, 1985780, 2581514, 2780092, 3475115, 5163028, 6453785, 6950230, 9035299, 12907570, 13900460, 18070598, 25815140, 36141196, 45176495, 90352990, 180705980]

約数ペア:

[(1, 180705980), (2, 90352990), (4, 45176495), (5, 36141196), (7, 25815140), (10, 18070598), (13, 13900460), (14, 12907570), (20, 9035299), (26, 6950230), (28, 6453785), (35, 5163028), (52, 3475115), (65, 2780092), (70, 2581514), (91, 1985780), (130, 1390046), (140, 1290757), (182, 992890), (260, 695023), (364, 496445), (455, 397156), (910, 198578), (1820, 99289)]