1948981440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{290027}}^1$

素因数の和:290054

約数の個数: 112

約数和(自身を含む): 7072042752

約数和(自身を除く): 5123061312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 290027, 580054, 870081, 1160108, 1450135, 1740162, 2030189, 2320216, 2900270, 3480324, 4060378, 4350405, 4640432, 5800540, 6090567, 6960648, 8120756, 8700810, 9280864, 10150945, 11601080, 12181134, 13921296, 16241512, 17401620, 18561728, 20301890, 23202160, 24362268, 27842592, 30452835, 32483024, 34803240, 40603780, 46404320, 48724536, 55685184, 60905670, 64966048, 69606480, 81207560, 92808640, 97449072, 121811340, 129932096, 139212960, 162415120, 194898144, 243622680, 278425920, 324830240, 389796288, 487245360, 649660480, 974490720, 1948981440]

約数ペア:

[(1, 1948981440), (2, 974490720), (3, 649660480), (4, 487245360), (5, 389796288), (6, 324830240), (7, 278425920), (8, 243622680), (10, 194898144), (12, 162415120), (14, 139212960), (15, 129932096), (16, 121811340), (20, 97449072), (21, 92808640), (24, 81207560), (28, 69606480), (30, 64966048), (32, 60905670), (35, 55685184), (40, 48724536), (42, 46404320), (48, 40603780), (56, 34803240), (60, 32483024), (64, 30452835), (70, 27842592), (80, 24362268), (84, 23202160), (96, 20301890), (105, 18561728), (112, 17401620), (120, 16241512), (140, 13921296), (160, 12181134), (168, 11601080), (192, 10150945), (210, 9280864), (224, 8700810), (240, 8120756), (280, 6960648), (320, 6090567), (336, 5800540), (420, 4640432), (448, 4350405), (480, 4060378), (560, 3480324), (672, 2900270), (840, 2320216), (960, 2030189), (1120, 1740162), (1344, 1450135), (1680, 1160108), (2240, 870081), (3360, 580054), (6720, 290027)]