259860

素因数分解:

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

素因数の和:144

約数の個数: 48

約数和(自身を含む): 749952

約数和(自身を除く): 490092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 71, 122, 142, 183, 213, 244, 284, 305, 355, 366, 426, 610, 710, 732, 852, 915, 1065, 1220, 1420, 1830, 2130, 3660, 4260, 4331, 8662, 12993, 17324, 21655, 25986, 43310, 51972, 64965, 86620, 129930, 259860]

約数ペア:

[(1, 259860), (2, 129930), (3, 86620), (4, 64965), (5, 51972), (6, 43310), (10, 25986), (12, 21655), (15, 17324), (20, 12993), (30, 8662), (60, 4331), (61, 4260), (71, 3660), (122, 2130), (142, 1830), (183, 1420), (213, 1220), (244, 1065), (284, 915), (305, 852), (355, 732), (366, 710), (426, 610)]