779580

素因数分解:

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

素因数の和:147

約数の個数: 72

約数和(自身を含む): 2437344

約数和(自身を除く): 1657764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 71, 90, 122, 142, 180, 183, 213, 244, 284, 305, 355, 366, 426, 549, 610, 639, 710, 732, 852, 915, 1065, 1098, 1220, 1278, 1420, 1830, 2130, 2196, 2556, 2745, 3195, 3660, 4260, 4331, 5490, 6390, 8662, 10980, 12780, 12993, 17324, 21655, 25986, 38979, 43310, 51972, 64965, 77958, 86620, 129930, 155916, 194895, 259860, 389790, 779580]

約数ペア:

[(1, 779580), (2, 389790), (3, 259860), (4, 194895), (5, 155916), (6, 129930), (9, 86620), (10, 77958), (12, 64965), (15, 51972), (18, 43310), (20, 38979), (30, 25986), (36, 21655), (45, 17324), (60, 12993), (61, 12780), (71, 10980), (90, 8662), (122, 6390), (142, 5490), (180, 4331), (183, 4260), (213, 3660), (244, 3195), (284, 2745), (305, 2556), (355, 2196), (366, 2130), (426, 1830), (549, 1420), (610, 1278), (639, 1220), (710, 1098), (732, 1065), (852, 915)]