51302220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 148490496

約数和(自身を除く): 97188276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 107, 122, 131, 183, 214, 244, 262, 305, 321, 366, 393, 428, 524, 535, 610, 642, 655, 732, 786, 915, 1070, 1220, 1284, 1310, 1572, 1605, 1830, 1965, 2140, 2620, 3210, 3660, 3930, 6420, 6527, 7860, 7991, 13054, 14017, 15982, 19581, 23973, 26108, 28034, 31964, 32635, 39162, 39955, 42051, 47946, 56068, 65270, 70085, 78324, 79910, 84102, 95892, 97905, 119865, 130540, 140170, 159820, 168204, 195810, 210255, 239730, 280340, 391620, 420510, 479460, 841020, 855037, 1710074, 2565111, 3420148, 4275185, 5130222, 8550370, 10260444, 12825555, 17100740, 25651110, 51302220]

約数ペア:

[(1, 51302220), (2, 25651110), (3, 17100740), (4, 12825555), (5, 10260444), (6, 8550370), (10, 5130222), (12, 4275185), (15, 3420148), (20, 2565111), (30, 1710074), (60, 855037), (61, 841020), (107, 479460), (122, 420510), (131, 391620), (183, 280340), (214, 239730), (244, 210255), (262, 195810), (305, 168204), (321, 159820), (366, 140170), (393, 130540), (428, 119865), (524, 97905), (535, 95892), (610, 84102), (642, 79910), (655, 78324), (732, 70085), (786, 65270), (915, 56068), (1070, 47946), (1220, 42051), (1284, 39955), (1310, 39162), (1572, 32635), (1605, 31964), (1830, 28034), (1965, 26108), (2140, 23973), (2620, 19581), (3210, 15982), (3660, 14017), (3930, 13054), (6420, 7991), (6527, 7860)]