71768720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 176512512

約数和(自身を除く): 104743792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 673, 688, 860, 1240, 1333, 1346, 1720, 2480, 2666, 2692, 3365, 3440, 5332, 5384, 6665, 6730, 10664, 10768, 13330, 13460, 20863, 21328, 26660, 26920, 28939, 41726, 53320, 53840, 57878, 83452, 104315, 106640, 115756, 144695, 166904, 208630, 231512, 289390, 333808, 417260, 463024, 578780, 834520, 897109, 1157560, 1669040, 1794218, 2315120, 3588436, 4485545, 7176872, 8971090, 14353744, 17942180, 35884360, 71768720]

約数ペア:

[(1, 71768720), (2, 35884360), (4, 17942180), (5, 14353744), (8, 8971090), (10, 7176872), (16, 4485545), (20, 3588436), (31, 2315120), (40, 1794218), (43, 1669040), (62, 1157560), (80, 897109), (86, 834520), (124, 578780), (155, 463024), (172, 417260), (215, 333808), (248, 289390), (310, 231512), (344, 208630), (430, 166904), (496, 144695), (620, 115756), (673, 106640), (688, 104315), (860, 83452), (1240, 57878), (1333, 53840), (1346, 53320), (1720, 41726), (2480, 28939), (2666, 26920), (2692, 26660), (3365, 21328), (3440, 20863), (5332, 13460), (5384, 13330), (6665, 10768), (6730, 10664)]