863669351920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{677239}}^1$

素因数の和:678110

約数の個数: 80

約数和(自身を含む): 2116239552000

約数和(自身を除く): 1252570200080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 839, 1520, 1678, 3356, 4195, 6712, 8390, 13424, 15941, 16780, 31882, 33560, 63764, 67120, 79705, 127528, 159410, 255056, 318820, 637640, 677239, 1275280, 1354478, 2708956, 3386195, 5417912, 6772390, 10835824, 12867541, 13544780, 25735082, 27089560, 51470164, 54179120, 64337705, 102940328, 128675410, 205880656, 257350820, 514701640, 568203521, 1029403280, 1136407042, 2272814084, 2841017605, 4545628168, 5682035210, 9091256336, 10795866899, 11364070420, 21591733798, 22728140840, 43183467596, 45456281680, 53979334495, 86366935192, 107958668990, 172733870384, 215917337980, 431834675960, 863669351920]

約数ペア:

[(1, 863669351920), (2, 431834675960), (4, 215917337980), (5, 172733870384), (8, 107958668990), (10, 86366935192), (16, 53979334495), (19, 45456281680), (20, 43183467596), (38, 22728140840), (40, 21591733798), (76, 11364070420), (80, 10795866899), (95, 9091256336), (152, 5682035210), (190, 4545628168), (304, 2841017605), (380, 2272814084), (760, 1136407042), (839, 1029403280), (1520, 568203521), (1678, 514701640), (3356, 257350820), (4195, 205880656), (6712, 128675410), (8390, 102940328), (13424, 64337705), (15941, 54179120), (16780, 51470164), (31882, 27089560), (33560, 25735082), (63764, 13544780), (67120, 12867541), (79705, 10835824), (127528, 6772390), (159410, 5417912), (255056, 3386195), (318820, 2708956), (637640, 1354478), (677239, 1275280)]