27805020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 80994816

約数和(自身を除く): 53189796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 71, 107, 122, 142, 183, 213, 214, 244, 284, 305, 321, 355, 366, 426, 428, 535, 610, 642, 710, 732, 852, 915, 1065, 1070, 1220, 1284, 1420, 1605, 1830, 2130, 2140, 3210, 3660, 4260, 4331, 6420, 6527, 7597, 8662, 12993, 13054, 15194, 17324, 19581, 21655, 22791, 25986, 26108, 30388, 32635, 37985, 39162, 43310, 45582, 51972, 64965, 65270, 75970, 78324, 86620, 91164, 97905, 113955, 129930, 130540, 151940, 195810, 227910, 259860, 391620, 455820, 463417, 926834, 1390251, 1853668, 2317085, 2780502, 4634170, 5561004, 6951255, 9268340, 13902510, 27805020]

約数ペア:

[(1, 27805020), (2, 13902510), (3, 9268340), (4, 6951255), (5, 5561004), (6, 4634170), (10, 2780502), (12, 2317085), (15, 1853668), (20, 1390251), (30, 926834), (60, 463417), (61, 455820), (71, 391620), (107, 259860), (122, 227910), (142, 195810), (183, 151940), (213, 130540), (214, 129930), (244, 113955), (284, 97905), (305, 91164), (321, 86620), (355, 78324), (366, 75970), (426, 65270), (428, 64965), (535, 51972), (610, 45582), (642, 43310), (710, 39162), (732, 37985), (852, 32635), (915, 30388), (1065, 26108), (1070, 25986), (1220, 22791), (1284, 21655), (1420, 19581), (1605, 17324), (1830, 15194), (2130, 13054), (2140, 12993), (3210, 8662), (3660, 7597), (4260, 6527), (4331, 6420)]