4137840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{821}}^1$

素因数の和:847

約数の個数: 120

約数和(自身を含む): 15900768

約数和(自身を除く): 11762928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 821, 840, 1008, 1260, 1642, 1680, 2463, 2520, 3284, 4105, 4926, 5040, 5747, 6568, 7389, 8210, 9852, 11494, 12315, 13136, 14778, 16420, 17241, 19704, 22988, 24630, 28735, 29556, 32840, 34482, 36945, 39408, 45976, 49260, 51723, 57470, 59112, 65680, 68964, 73890, 86205, 91952, 98520, 103446, 114940, 118224, 137928, 147780, 172410, 197040, 206892, 229880, 258615, 275856, 295560, 344820, 413784, 459760, 517230, 591120, 689640, 827568, 1034460, 1379280, 2068920, 4137840]

約数ペア:

[(1, 4137840), (2, 2068920), (3, 1379280), (4, 1034460), (5, 827568), (6, 689640), (7, 591120), (8, 517230), (9, 459760), (10, 413784), (12, 344820), (14, 295560), (15, 275856), (16, 258615), (18, 229880), (20, 206892), (21, 197040), (24, 172410), (28, 147780), (30, 137928), (35, 118224), (36, 114940), (40, 103446), (42, 98520), (45, 91952), (48, 86205), (56, 73890), (60, 68964), (63, 65680), (70, 59112), (72, 57470), (80, 51723), (84, 49260), (90, 45976), (105, 39408), (112, 36945), (120, 34482), (126, 32840), (140, 29556), (144, 28735), (168, 24630), (180, 22988), (210, 19704), (240, 17241), (252, 16420), (280, 14778), (315, 13136), (336, 12315), (360, 11494), (420, 9852), (504, 8210), (560, 7389), (630, 6568), (720, 5747), (821, 5040), (840, 4926), (1008, 4105), (1260, 3284), (1642, 2520), (1680, 2463)]