21881697960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1\times {\mathrm{3041}}^1$

素因数の和:4099

約数の個数: 128

約数和(自身を含む): 66811080960

約数和(自身を除く): 44929383000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 983, 1220, 1464, 1830, 1966, 2440, 2949, 3041, 3660, 3932, 4915, 5898, 6082, 7320, 7864, 9123, 9830, 11796, 12164, 14745, 15205, 18246, 19660, 23592, 24328, 29490, 30410, 36492, 39320, 45615, 58980, 59963, 60820, 72984, 91230, 117960, 119926, 121640, 179889, 182460, 185501, 239852, 299815, 359778, 364920, 371002, 479704, 556503, 599630, 719556, 742004, 899445, 927505, 1113006, 1199260, 1439112, 1484008, 1798890, 1855010, 2226012, 2398520, 2782515, 2989303, 3597780, 3710020, 4452024, 5565030, 5978606, 7195560, 7420040, 8967909, 11130060, 11957212, 14946515, 17935818, 22260120, 23914424, 29893030, 35871636, 44839545, 59786060, 71743272, 89679090, 119572120, 179358180, 182347483, 358716360, 364694966, 547042449, 729389932, 911737415, 1094084898, 1458779864, 1823474830, 2188169796, 2735212245, 3646949660, 4376339592, 5470424490, 7293899320, 10940848980, 21881697960]

約数ペア:

[(1, 21881697960), (2, 10940848980), (3, 7293899320), (4, 5470424490), (5, 4376339592), (6, 3646949660), (8, 2735212245), (10, 2188169796), (12, 1823474830), (15, 1458779864), (20, 1094084898), (24, 911737415), (30, 729389932), (40, 547042449), (60, 364694966), (61, 358716360), (120, 182347483), (122, 179358180), (183, 119572120), (244, 89679090), (305, 71743272), (366, 59786060), (488, 44839545), (610, 35871636), (732, 29893030), (915, 23914424), (983, 22260120), (1220, 17935818), (1464, 14946515), (1830, 11957212), (1966, 11130060), (2440, 8967909), (2949, 7420040), (3041, 7195560), (3660, 5978606), (3932, 5565030), (4915, 4452024), (5898, 3710020), (6082, 3597780), (7320, 2989303), (7864, 2782515), (9123, 2398520), (9830, 2226012), (11796, 1855010), (12164, 1798890), (14745, 1484008), (15205, 1439112), (18246, 1199260), (19660, 1113006), (23592, 927505), (24328, 899445), (29490, 742004), (30410, 719556), (36492, 599630), (39320, 556503), (45615, 479704), (58980, 371002), (59963, 364920), (60820, 359778), (72984, 299815), (91230, 239852), (117960, 185501), (119926, 182460), (121640, 179889)]