2912081720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{4783}}^1$

素因数の和:5316

約数の個数: 64

約数和(自身を含む): 6778736640

約数和(自身を除く): 3866654920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 491, 620, 982, 1240, 1964, 2455, 3928, 4783, 4910, 9566, 9820, 15221, 19132, 19640, 23915, 30442, 38264, 47830, 60884, 76105, 95660, 121768, 148273, 152210, 191320, 296546, 304420, 593092, 608840, 741365, 1186184, 1482730, 2348453, 2965460, 4696906, 5930920, 9393812, 11742265, 18787624, 23484530, 46969060, 72802043, 93938120, 145604086, 291208172, 364010215, 582416344, 728020430, 1456040860, 2912081720]

約数ペア:

[(1, 2912081720), (2, 1456040860), (4, 728020430), (5, 582416344), (8, 364010215), (10, 291208172), (20, 145604086), (31, 93938120), (40, 72802043), (62, 46969060), (124, 23484530), (155, 18787624), (248, 11742265), (310, 9393812), (491, 5930920), (620, 4696906), (982, 2965460), (1240, 2348453), (1964, 1482730), (2455, 1186184), (3928, 741365), (4783, 608840), (4910, 593092), (9566, 304420), (9820, 296546), (15221, 191320), (19132, 152210), (19640, 148273), (23915, 121768), (30442, 95660), (38264, 76105), (47830, 60884)]