180076780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18719}}^1$

素因数の和:18778

約数の個数: 48

約数和(自身を含む): 418279680

約数和(自身を除く): 238202900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 18719, 37438, 74876, 93595, 187190, 243347, 374380, 486694, 692603, 973388, 1216735, 1385206, 2433470, 2770412, 3463015, 4866940, 6926030, 9003839, 13852060, 18007678, 36015356, 45019195, 90038390, 180076780]

約数ペア:

[(1, 180076780), (2, 90038390), (4, 45019195), (5, 36015356), (10, 18007678), (13, 13852060), (20, 9003839), (26, 6926030), (37, 4866940), (52, 3463015), (65, 2770412), (74, 2433470), (130, 1385206), (148, 1216735), (185, 973388), (260, 692603), (370, 486694), (481, 374380), (740, 243347), (962, 187190), (1924, 93595), (2405, 74876), (4810, 37438), (9620, 18719)]