81580680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11927}}^1$

素因数の和:11963

約数の個数: 96

約数和(自身を含む): 279115200

約数和(自身を除く): 197534520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 11927, 23854, 35781, 47708, 59635, 71562, 95416, 107343, 119270, 143124, 178905, 214686, 226613, 238540, 286248, 357810, 429372, 453226, 477080, 536715, 679839, 715620, 858744, 906452, 1073430, 1133065, 1359678, 1431240, 1812904, 2039517, 2146860, 2266130, 2719356, 3399195, 4079034, 4293720, 4532260, 5438712, 6798390, 8158068, 9064520, 10197585, 13596780, 16316136, 20395170, 27193560, 40790340, 81580680]

約数ペア:

[(1, 81580680), (2, 40790340), (3, 27193560), (4, 20395170), (5, 16316136), (6, 13596780), (8, 10197585), (9, 9064520), (10, 8158068), (12, 6798390), (15, 5438712), (18, 4532260), (19, 4293720), (20, 4079034), (24, 3399195), (30, 2719356), (36, 2266130), (38, 2146860), (40, 2039517), (45, 1812904), (57, 1431240), (60, 1359678), (72, 1133065), (76, 1073430), (90, 906452), (95, 858744), (114, 715620), (120, 679839), (152, 536715), (171, 477080), (180, 453226), (190, 429372), (228, 357810), (285, 286248), (342, 238540), (360, 226613), (380, 214686), (456, 178905), (570, 143124), (684, 119270), (760, 107343), (855, 95416), (1140, 71562), (1368, 59635), (1710, 47708), (2280, 35781), (3420, 23854), (6840, 11927)]