163676156940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{455339}}^1$

素因数の和:457351

約数の個数: 72

約数和(自身を含む): 496734048720

約数和(自身を除く): 333057891780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1997, 3994, 5991, 7988, 9985, 11982, 17973, 19970, 23964, 29955, 35946, 39940, 59910, 71892, 89865, 119820, 179730, 359460, 455339, 910678, 1366017, 1821356, 2276695, 2732034, 4098051, 4553390, 5464068, 6830085, 8196102, 9106780, 13660170, 16392204, 20490255, 27320340, 40980510, 81961020, 909311983, 1818623966, 2727935949, 3637247932, 4546559915, 5455871898, 8183807847, 9093119830, 10911743796, 13639679745, 16367615694, 18186239660, 27279359490, 32735231388, 40919039235, 54558718980, 81838078470, 163676156940]

約数ペア:

[(1, 163676156940), (2, 81838078470), (3, 54558718980), (4, 40919039235), (5, 32735231388), (6, 27279359490), (9, 18186239660), (10, 16367615694), (12, 13639679745), (15, 10911743796), (18, 9093119830), (20, 8183807847), (30, 5455871898), (36, 4546559915), (45, 3637247932), (60, 2727935949), (90, 1818623966), (180, 909311983), (1997, 81961020), (3994, 40980510), (5991, 27320340), (7988, 20490255), (9985, 16392204), (11982, 13660170), (17973, 9106780), (19970, 8196102), (23964, 6830085), (29955, 5464068), (35946, 4553390), (39940, 4098051), (59910, 2732034), (71892, 2276695), (89865, 1821356), (119820, 1366017), (179730, 910678), (359460, 455339)]