1985507520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121661}}^1$

素因数の和:121698

約数の個数: 112

約数和(自身を含む): 6674863968

約数和(自身を除く): 4689356448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320, 121661, 243322, 364983, 486644, 608305, 729966, 973288, 1216610, 1459932, 1824915, 1946576, 2068237, 2433220, 2919864, 3649830, 3893152, 4136474, 4866440, 5839728, 6204711, 7299660, 7786304, 8272948, 9732880, 10341185, 11679456, 12409422, 14599320, 16545896, 19465760, 20682370, 23358912, 24818844, 29198640, 31023555, 33091792, 38931520, 41364740, 49637688, 58397280, 62047110, 66183584, 82729480, 99275376, 116794560, 124094220, 132367168, 165458960, 198550752, 248188440, 330917920, 397101504, 496376880, 661835840, 992753760, 1985507520]

約数ペア:

[(1, 1985507520), (2, 992753760), (3, 661835840), (4, 496376880), (5, 397101504), (6, 330917920), (8, 248188440), (10, 198550752), (12, 165458960), (15, 132367168), (16, 124094220), (17, 116794560), (20, 99275376), (24, 82729480), (30, 66183584), (32, 62047110), (34, 58397280), (40, 49637688), (48, 41364740), (51, 38931520), (60, 33091792), (64, 31023555), (68, 29198640), (80, 24818844), (85, 23358912), (96, 20682370), (102, 19465760), (120, 16545896), (136, 14599320), (160, 12409422), (170, 11679456), (192, 10341185), (204, 9732880), (240, 8272948), (255, 7786304), (272, 7299660), (320, 6204711), (340, 5839728), (408, 4866440), (480, 4136474), (510, 3893152), (544, 3649830), (680, 2919864), (816, 2433220), (960, 2068237), (1020, 1946576), (1088, 1824915), (1360, 1459932), (1632, 1216610), (2040, 973288), (2720, 729966), (3264, 608305), (4080, 486644), (5440, 364983), (8160, 243322), (16320, 121661)]