218410740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1999}}^1$

素因数の和:2621

約数の個数: 72

約数和(自身を含む): 663936000

約数和(自身を除く): 445525260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 607, 1214, 1821, 1999, 2428, 3035, 3642, 3998, 5463, 5997, 6070, 7284, 7996, 9105, 9995, 10926, 11994, 12140, 17991, 18210, 19990, 21852, 23988, 27315, 29985, 35982, 36420, 39980, 54630, 59970, 71964, 89955, 109260, 119940, 179910, 359820, 1213393, 2426786, 3640179, 4853572, 6066965, 7280358, 10920537, 12133930, 14560716, 18200895, 21841074, 24267860, 36401790, 43682148, 54602685, 72803580, 109205370, 218410740]

約数ペア:

[(1, 218410740), (2, 109205370), (3, 72803580), (4, 54602685), (5, 43682148), (6, 36401790), (9, 24267860), (10, 21841074), (12, 18200895), (15, 14560716), (18, 12133930), (20, 10920537), (30, 7280358), (36, 6066965), (45, 4853572), (60, 3640179), (90, 2426786), (180, 1213393), (607, 359820), (1214, 179910), (1821, 119940), (1999, 109260), (2428, 89955), (3035, 71964), (3642, 59970), (3998, 54630), (5463, 39980), (5997, 36420), (6070, 35982), (7284, 29985), (7996, 27315), (9105, 23988), (9995, 21852), (10926, 19990), (11994, 18210), (12140, 17991)]