1989818280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{19531}}^1$

素因数の和:19831

約数の個数: 96

約数和(自身を含む): 6490092960

約数和(自身を除く): 4500274680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 283, 360, 566, 849, 1132, 1415, 1698, 2264, 2547, 2830, 3396, 4245, 5094, 5660, 6792, 8490, 10188, 11320, 12735, 16980, 19531, 20376, 25470, 33960, 39062, 50940, 58593, 78124, 97655, 101880, 117186, 156248, 175779, 195310, 234372, 292965, 351558, 390620, 468744, 585930, 703116, 781240, 878895, 1171860, 1406232, 1757790, 2343720, 3515580, 5527273, 7031160, 11054546, 16581819, 22109092, 27636365, 33163638, 44218184, 49745457, 55272730, 66327276, 82909095, 99490914, 110545460, 132654552, 165818190, 198981828, 221090920, 248727285, 331636380, 397963656, 497454570, 663272760, 994909140, 1989818280]

約数ペア:

[(1, 1989818280), (2, 994909140), (3, 663272760), (4, 497454570), (5, 397963656), (6, 331636380), (8, 248727285), (9, 221090920), (10, 198981828), (12, 165818190), (15, 132654552), (18, 110545460), (20, 99490914), (24, 82909095), (30, 66327276), (36, 55272730), (40, 49745457), (45, 44218184), (60, 33163638), (72, 27636365), (90, 22109092), (120, 16581819), (180, 11054546), (283, 7031160), (360, 5527273), (566, 3515580), (849, 2343720), (1132, 1757790), (1415, 1406232), (1698, 1171860), (2264, 878895), (2547, 781240), (2830, 703116), (3396, 585930), (4245, 468744), (5094, 390620), (5660, 351558), (6792, 292965), (8490, 234372), (10188, 195310), (11320, 175779), (12735, 156248), (16980, 117186), (19531, 101880), (20376, 97655), (25470, 78124), (33960, 58593), (39062, 50940)]