211555320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28901}}^1$

素因数の和:28976

約数の個数: 64

約数和(自身を含む): 645092640

約数和(自身を除く): 433537320

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, 1220, 1464, 1830, 2440, 3660, 7320, 28901, 57802, 86703, 115604, 144505, 173406, 231208, 289010, 346812, 433515, 578020, 693624, 867030, 1156040, 1734060, 1762961, 3468120, 3525922, 5288883, 7051844, 8814805, 10577766, 14103688, 17629610, 21155532, 26444415, 35259220, 42311064, 52888830, 70518440, 105777660, 211555320]

約数ペア:

[(1, 211555320), (2, 105777660), (3, 70518440), (4, 52888830), (5, 42311064), (6, 35259220), (8, 26444415), (10, 21155532), (12, 17629610), (15, 14103688), (20, 10577766), (24, 8814805), (30, 7051844), (40, 5288883), (60, 3525922), (61, 3468120), (120, 1762961), (122, 1734060), (183, 1156040), (244, 867030), (305, 693624), (366, 578020), (488, 433515), (610, 346812), (732, 289010), (915, 231208), (1220, 173406), (1464, 144505), (1830, 115604), (2440, 86703), (3660, 57802), (7320, 28901)]