1555904880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69709}}^1$

素因数の和:69759

約数の個数: 120

約数和(自身を含む): 5393880960

約数和(自身を除く): 3837976080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 69709, 139418, 209127, 278836, 348545, 418254, 557672, 627381, 697090, 836508, 1045635, 1115344, 1254762, 1394180, 1673016, 2091270, 2160979, 2509524, 2788360, 3136905, 3346032, 4182540, 4321958, 5019048, 5576720, 6273810, 6482937, 8365080, 8643916, 10038096, 10804895, 12547620, 12965874, 16730160, 17287832, 19448811, 21609790, 25095240, 25931748, 32414685, 34575664, 38897622, 43219580, 50190480, 51863496, 64829370, 77795244, 86439160, 97244055, 103726992, 129658740, 155590488, 172878320, 194488110, 259317480, 311180976, 388976220, 518634960, 777952440, 1555904880]

約数ペア:

[(1, 1555904880), (2, 777952440), (3, 518634960), (4, 388976220), (5, 311180976), (6, 259317480), (8, 194488110), (9, 172878320), (10, 155590488), (12, 129658740), (15, 103726992), (16, 97244055), (18, 86439160), (20, 77795244), (24, 64829370), (30, 51863496), (31, 50190480), (36, 43219580), (40, 38897622), (45, 34575664), (48, 32414685), (60, 25931748), (62, 25095240), (72, 21609790), (80, 19448811), (90, 17287832), (93, 16730160), (120, 12965874), (124, 12547620), (144, 10804895), (155, 10038096), (180, 8643916), (186, 8365080), (240, 6482937), (248, 6273810), (279, 5576720), (310, 5019048), (360, 4321958), (372, 4182540), (465, 3346032), (496, 3136905), (558, 2788360), (620, 2509524), (720, 2160979), (744, 2091270), (930, 1673016), (1116, 1394180), (1240, 1254762), (1395, 1115344), (1488, 1045635), (1860, 836508), (2232, 697090), (2480, 627381), (2790, 557672), (3720, 418254), (4464, 348545), (5580, 278836), (7440, 209127), (11160, 139418), (22320, 69709)]