1620450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 4705428

約数和(自身を除く): 3084978

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 277, 325, 390, 450, 554, 585, 650, 831, 975, 1170, 1385, 1662, 1950, 2493, 2770, 2925, 3601, 4155, 4986, 5850, 6925, 7202, 8310, 10803, 12465, 13850, 18005, 20775, 21606, 24930, 32409, 36010, 41550, 54015, 62325, 64818, 90025, 108030, 124650, 162045, 180050, 270075, 324090, 540150, 810225, 1620450]

約数ペア:

[(1, 1620450), (2, 810225), (3, 540150), (5, 324090), (6, 270075), (9, 180050), (10, 162045), (13, 124650), (15, 108030), (18, 90025), (25, 64818), (26, 62325), (30, 54015), (39, 41550), (45, 36010), (50, 32409), (65, 24930), (75, 21606), (78, 20775), (90, 18005), (117, 13850), (130, 12465), (150, 10803), (195, 8310), (225, 7202), (234, 6925), (277, 5850), (325, 4986), (390, 4155), (450, 3601), (554, 2925), (585, 2770), (650, 2493), (831, 1950), (975, 1662), (1170, 1385)]