815307220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19477}}^1$

素因数の和:19529

約数の個数: 96

約数和(自身を含む): 2198988288

約数和(自身を除く): 1383681068

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 598, 644, 805, 910, 1196, 1495, 1610, 1820, 2093, 2990, 3220, 4186, 5980, 8372, 10465, 19477, 20930, 38954, 41860, 77908, 97385, 136339, 194770, 253201, 272678, 389540, 447971, 506402, 545356, 681695, 895942, 1012804, 1266005, 1363390, 1772407, 1791884, 2239855, 2532010, 2726780, 3135797, 3544814, 4479710, 5064020, 5823623, 6271594, 7089628, 8862035, 8959420, 11647246, 12543188, 15678985, 17724070, 23294492, 29118115, 31357970, 35448140, 40765361, 58236230, 62715940, 81530722, 116472460, 163061444, 203826805, 407653610, 815307220]

約数ペア:

[(1, 815307220), (2, 407653610), (4, 203826805), (5, 163061444), (7, 116472460), (10, 81530722), (13, 62715940), (14, 58236230), (20, 40765361), (23, 35448140), (26, 31357970), (28, 29118115), (35, 23294492), (46, 17724070), (52, 15678985), (65, 12543188), (70, 11647246), (91, 8959420), (92, 8862035), (115, 7089628), (130, 6271594), (140, 5823623), (161, 5064020), (182, 4479710), (230, 3544814), (260, 3135797), (299, 2726780), (322, 2532010), (364, 2239855), (455, 1791884), (460, 1772407), (598, 1363390), (644, 1266005), (805, 1012804), (910, 895942), (1196, 681695), (1495, 545356), (1610, 506402), (1820, 447971), (2093, 389540), (2990, 272678), (3220, 253201), (4186, 194770), (5980, 136339), (8372, 97385), (10465, 77908), (19477, 41860), (20930, 38954)]