18291049040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{670493}}^1$

素因数の和:670548

約数の個数: 80

約数和(自身を含む): 47889363456

約数和(自身を除く): 29598314416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 670493, 1340986, 2681972, 3352465, 5363944, 6704930, 7375423, 10727888, 13409860, 14750846, 20785283, 26819720, 29501692, 36877115, 41570566, 53639440, 59003384, 73754230, 83141132, 103926415, 118006768, 147508460, 166282264, 207852830, 228638113, 295016920, 332564528, 415705660, 457276226, 590033840, 831411320, 914552452, 1143190565, 1662822640, 1829104904, 2286381130, 3658209808, 4572762260, 9145524520, 18291049040]

約数ペア:

[(1, 18291049040), (2, 9145524520), (4, 4572762260), (5, 3658209808), (8, 2286381130), (10, 1829104904), (11, 1662822640), (16, 1143190565), (20, 914552452), (22, 831411320), (31, 590033840), (40, 457276226), (44, 415705660), (55, 332564528), (62, 295016920), (80, 228638113), (88, 207852830), (110, 166282264), (124, 147508460), (155, 118006768), (176, 103926415), (220, 83141132), (248, 73754230), (310, 59003384), (341, 53639440), (440, 41570566), (496, 36877115), (620, 29501692), (682, 26819720), (880, 20785283), (1240, 14750846), (1364, 13409860), (1705, 10727888), (2480, 7375423), (2728, 6704930), (3410, 5363944), (5456, 3352465), (6820, 2681972), (13640, 1340986), (27280, 670493)]