81884640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5503}}^1$

素因数の和:5552

約数の個数: 96

約数和(自身を含む): 266305536

約数和(自身を除く): 184420896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 5503, 7440, 11006, 14880, 16509, 22012, 27515, 33018, 44024, 55030, 66036, 82545, 88048, 110060, 132072, 165090, 170593, 176096, 220120, 264144, 330180, 341186, 440240, 511779, 528288, 660360, 682372, 852965, 880480, 1023558, 1320720, 1364744, 1705930, 2047116, 2558895, 2641440, 2729488, 3411860, 4094232, 5117790, 5458976, 6823720, 8188464, 10235580, 13647440, 16376928, 20471160, 27294880, 40942320, 81884640]

約数ペア:

[(1, 81884640), (2, 40942320), (3, 27294880), (4, 20471160), (5, 16376928), (6, 13647440), (8, 10235580), (10, 8188464), (12, 6823720), (15, 5458976), (16, 5117790), (20, 4094232), (24, 3411860), (30, 2729488), (31, 2641440), (32, 2558895), (40, 2047116), (48, 1705930), (60, 1364744), (62, 1320720), (80, 1023558), (93, 880480), (96, 852965), (120, 682372), (124, 660360), (155, 528288), (160, 511779), (186, 440240), (240, 341186), (248, 330180), (310, 264144), (372, 220120), (465, 176096), (480, 170593), (496, 165090), (620, 132072), (744, 110060), (930, 88048), (992, 82545), (1240, 66036), (1488, 55030), (1860, 44024), (2480, 33018), (2976, 27515), (3720, 22012), (4960, 16509), (5503, 14880), (7440, 11006)]