156988780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16319}}^1$

素因数の和:16378

約数の個数: 48

約数和(自身を含む): 364654080

約数和(自身を除く): 207665300

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, 16319, 32638, 65276, 81595, 163190, 212147, 326380, 424294, 603803, 848588, 1060735, 1207606, 2121470, 2415212, 3019015, 4242940, 6038030, 7849439, 12076060, 15698878, 31397756, 39247195, 78494390, 156988780]

約数ペア:

[(1, 156988780), (2, 78494390), (4, 39247195), (5, 31397756), (10, 15698878), (13, 12076060), (20, 7849439), (26, 6038030), (37, 4242940), (52, 3019015), (65, 2415212), (74, 2121470), (130, 1207606), (148, 1060735), (185, 848588), (260, 603803), (370, 424294), (481, 326380), (740, 212147), (962, 163190), (1924, 81595), (2405, 65276), (4810, 32638), (9620, 16319)]