664244560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:585

約数の個数: 160

約数和(自身を含む): 1874165760

約数和(自身を除く): 1209921200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 163, 190, 266, 280, 304, 326, 380, 383, 532, 560, 652, 665, 760, 766, 815, 1064, 1141, 1304, 1330, 1520, 1532, 1630, 1915, 2128, 2282, 2608, 2660, 2681, 3064, 3097, 3260, 3830, 4564, 5320, 5362, 5705, 6128, 6194, 6520, 7277, 7660, 9128, 10640, 10724, 11410, 12388, 13040, 13405, 14554, 15320, 15485, 18256, 21448, 21679, 22820, 24776, 26810, 29108, 30640, 30970, 36385, 42896, 43358, 45640, 49552, 50939, 53620, 58216, 61940, 62429, 72770, 86716, 91280, 101878, 107240, 108395, 116432, 123880, 124858, 145540, 173432, 203756, 214480, 216790, 247760, 249716, 254695, 291080, 312145, 346864, 407512, 433580, 437003, 499432, 509390, 582160, 624290, 815024, 867160, 874006, 998864, 1018780, 1186151, 1248580, 1734320, 1748012, 2037560, 2185015, 2372302, 2497160, 3496024, 4075120, 4370030, 4744604, 4994320, 5930755, 6992048, 8303057, 8740060, 9489208, 11861510, 16606114, 17480120, 18978416, 23723020, 33212228, 34960240, 41515285, 47446040, 66424456, 83030570, 94892080, 132848912, 166061140, 332122280, 664244560]

約数ペア:

[(1, 664244560), (2, 332122280), (4, 166061140), (5, 132848912), (7, 94892080), (8, 83030570), (10, 66424456), (14, 47446040), (16, 41515285), (19, 34960240), (20, 33212228), (28, 23723020), (35, 18978416), (38, 17480120), (40, 16606114), (56, 11861510), (70, 9489208), (76, 8740060), (80, 8303057), (95, 6992048), (112, 5930755), (133, 4994320), (140, 4744604), (152, 4370030), (163, 4075120), (190, 3496024), (266, 2497160), (280, 2372302), (304, 2185015), (326, 2037560), (380, 1748012), (383, 1734320), (532, 1248580), (560, 1186151), (652, 1018780), (665, 998864), (760, 874006), (766, 867160), (815, 815024), (1064, 624290), (1141, 582160), (1304, 509390), (1330, 499432), (1520, 437003), (1532, 433580), (1630, 407512), (1915, 346864), (2128, 312145), (2282, 291080), (2608, 254695), (2660, 249716), (2681, 247760), (3064, 216790), (3097, 214480), (3260, 203756), (3830, 173432), (4564, 145540), (5320, 124858), (5362, 123880), (5705, 116432), (6128, 108395), (6194, 107240), (6520, 101878), (7277, 91280), (7660, 86716), (9128, 72770), (10640, 62429), (10724, 61940), (11410, 58216), (12388, 53620), (13040, 50939), (13405, 49552), (14554, 45640), (15320, 43358), (15485, 42896), (18256, 36385), (21448, 30970), (21679, 30640), (22820, 29108), (24776, 26810)]