128728800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:986

約数の個数: 216

約数和(自身を含む): 478328760

約数和(自身を除く): 349599960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 32, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 96, 100, 114, 120, 144, 150, 152, 160, 171, 180, 190, 200, 225, 228, 240, 285, 288, 300, 304, 342, 360, 380, 400, 450, 456, 475, 480, 570, 600, 608, 684, 720, 760, 800, 855, 900, 912, 941, 950, 1140, 1200, 1368, 1425, 1440, 1520, 1710, 1800, 1824, 1882, 1900, 2280, 2400, 2736, 2823, 2850, 3040, 3420, 3600, 3764, 3800, 4275, 4560, 4705, 5472, 5646, 5700, 6840, 7200, 7528, 7600, 8469, 8550, 9120, 9410, 11292, 11400, 13680, 14115, 15056, 15200, 16938, 17100, 17879, 18820, 22584, 22800, 23525, 27360, 28230, 30112, 33876, 34200, 35758, 37640, 42345, 45168, 45600, 47050, 53637, 56460, 67752, 68400, 70575, 71516, 75280, 84690, 89395, 90336, 94100, 107274, 112920, 135504, 136800, 141150, 143032, 150560, 160911, 169380, 178790, 188200, 211725, 214548, 225840, 268185, 271008, 282300, 286064, 321822, 338760, 357580, 376400, 423450, 429096, 446975, 451680, 536370, 564600, 572128, 643644, 677520, 715160, 752800, 804555, 846900, 858192, 893950, 1072740, 1129200, 1287288, 1340925, 1355040, 1430320, 1609110, 1693800, 1716384, 1787900, 2145480, 2258400, 2574576, 2681850, 2860640, 3218220, 3387600, 3575800, 4022775, 4290960, 5149152, 5363700, 6436440, 6775200, 7151600, 8045550, 8581920, 10727400, 12872880, 14303200, 16091100, 21454800, 25745760, 32182200, 42909600, 64364400, 128728800]

約数ペア:

[(1, 128728800), (2, 64364400), (3, 42909600), (4, 32182200), (5, 25745760), (6, 21454800), (8, 16091100), (9, 14303200), (10, 12872880), (12, 10727400), (15, 8581920), (16, 8045550), (18, 7151600), (19, 6775200), (20, 6436440), (24, 5363700), (25, 5149152), (30, 4290960), (32, 4022775), (36, 3575800), (38, 3387600), (40, 3218220), (45, 2860640), (48, 2681850), (50, 2574576), (57, 2258400), (60, 2145480), (72, 1787900), (75, 1716384), (76, 1693800), (80, 1609110), (90, 1430320), (95, 1355040), (96, 1340925), (100, 1287288), (114, 1129200), (120, 1072740), (144, 893950), (150, 858192), (152, 846900), (160, 804555), (171, 752800), (180, 715160), (190, 677520), (200, 643644), (225, 572128), (228, 564600), (240, 536370), (285, 451680), (288, 446975), (300, 429096), (304, 423450), (342, 376400), (360, 357580), (380, 338760), (400, 321822), (450, 286064), (456, 282300), (475, 271008), (480, 268185), (570, 225840), (600, 214548), (608, 211725), (684, 188200), (720, 178790), (760, 169380), (800, 160911), (855, 150560), (900, 143032), (912, 141150), (941, 136800), (950, 135504), (1140, 112920), (1200, 107274), (1368, 94100), (1425, 90336), (1440, 89395), (1520, 84690), (1710, 75280), (1800, 71516), (1824, 70575), (1882, 68400), (1900, 67752), (2280, 56460), (2400, 53637), (2736, 47050), (2823, 45600), (2850, 45168), (3040, 42345), (3420, 37640), (3600, 35758), (3764, 34200), (3800, 33876), (4275, 30112), (4560, 28230), (4705, 27360), (5472, 23525), (5646, 22800), (5700, 22584), (6840, 18820), (7200, 17879), (7528, 17100), (7600, 16938), (8469, 15200), (8550, 15056), (9120, 14115), (9410, 13680), (11292, 11400)]