1540802320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{1097}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 3642610608

約数和(自身を除く): 2101808288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 181, 194, 362, 388, 485, 724, 776, 905, 970, 1097, 1448, 1552, 1810, 1940, 2194, 2896, 3620, 3880, 4388, 5485, 7240, 7760, 8776, 10970, 14480, 17552, 17557, 21940, 35114, 43880, 70228, 87760, 87785, 106409, 140456, 175570, 198557, 212818, 280912, 351140, 397114, 425636, 532045, 702280, 794228, 851272, 992785, 1064090, 1404560, 1588456, 1702544, 1985570, 2128180, 3176912, 3971140, 4256360, 7942280, 8512720, 15884560, 19260029, 38520058, 77040116, 96300145, 154080232, 192600290, 308160464, 385200580, 770401160, 1540802320]

約数ペア:

[(1, 1540802320), (2, 770401160), (4, 385200580), (5, 308160464), (8, 192600290), (10, 154080232), (16, 96300145), (20, 77040116), (40, 38520058), (80, 19260029), (97, 15884560), (181, 8512720), (194, 7942280), (362, 4256360), (388, 3971140), (485, 3176912), (724, 2128180), (776, 1985570), (905, 1702544), (970, 1588456), (1097, 1404560), (1448, 1064090), (1552, 992785), (1810, 851272), (1940, 794228), (2194, 702280), (2896, 532045), (3620, 425636), (3880, 397114), (4388, 351140), (5485, 280912), (7240, 212818), (7760, 198557), (8776, 175570), (10970, 140456), (14480, 106409), (17552, 87785), (17557, 87760), (21940, 70228), (35114, 43880)]