420810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 1106784

約数和(自身を除く): 685974

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 169, 195, 249, 338, 390, 415, 498, 507, 830, 845, 1014, 1079, 1245, 1690, 2158, 2490, 2535, 3237, 5070, 5395, 6474, 10790, 14027, 16185, 28054, 32370, 42081, 70135, 84162, 140270, 210405, 420810]

約数ペア:

[(1, 420810), (2, 210405), (3, 140270), (5, 84162), (6, 70135), (10, 42081), (13, 32370), (15, 28054), (26, 16185), (30, 14027), (39, 10790), (65, 6474), (78, 5395), (83, 5070), (130, 3237), (166, 2535), (169, 2490), (195, 2158), (249, 1690), (338, 1245), (390, 1079), (415, 1014), (498, 845), (507, 830)]