490991760

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{4639}}^1$

素因数の和:4675

約数の個数: 240

約数和(自身を含む): 1967731200

約数和(自身を除く): 1476739440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3528, 3780, 3920, 4410, 4639, 5040, 5292, 5880, 6615, 7056, 7560, 8820, 9278, 10584, 11760, 13230, 13917, 15120, 17640, 18556, 21168, 23195, 26460, 27834, 32473, 35280, 37112, 41751, 46390, 52920, 55668, 64946, 69585, 74224, 83502, 92780, 97419, 105840, 111336, 125253, 129892, 139170, 162365, 167004, 185560, 194838, 208755, 222672, 227311, 250506, 259784, 278340, 292257, 324730, 334008, 371120, 389676, 417510, 454622, 487095, 501012, 519568, 556680, 584514, 626265, 649460, 668016, 681933, 779352, 835020, 876771, 909244, 974190, 1002024, 1113360, 1136555, 1169028, 1252530, 1298920, 1363866, 1461285, 1558704, 1670040, 1753542, 1818488, 1948380, 2004048, 2045799, 2273110, 2338056, 2505060, 2597840, 2727732, 2922570, 3340080, 3409665, 3507084, 3636976, 3896760, 4091598, 4383855, 4546220, 4676112, 5010120, 5455464, 5845140, 6137397, 6819330, 7014168, 7793520, 8183196, 8767710, 9092440, 10020240, 10228995, 10910928, 11690280, 12274794, 13638660, 14028336, 16366392, 17535420, 18184880, 20457990, 23380560, 24549588, 27277320, 30686985, 32732784, 35070840, 40915980, 49099176, 54554640, 61373970, 70141680, 81831960, 98198352, 122747940, 163663920, 245495880, 490991760]

約数ペア:

[(1, 490991760), (2, 245495880), (3, 163663920), (4, 122747940), (5, 98198352), (6, 81831960), (7, 70141680), (8, 61373970), (9, 54554640), (10, 49099176), (12, 40915980), (14, 35070840), (15, 32732784), (16, 30686985), (18, 27277320), (20, 24549588), (21, 23380560), (24, 20457990), (27, 18184880), (28, 17535420), (30, 16366392), (35, 14028336), (36, 13638660), (40, 12274794), (42, 11690280), (45, 10910928), (48, 10228995), (49, 10020240), (54, 9092440), (56, 8767710), (60, 8183196), (63, 7793520), (70, 7014168), (72, 6819330), (80, 6137397), (84, 5845140), (90, 5455464), (98, 5010120), (105, 4676112), (108, 4546220), (112, 4383855), (120, 4091598), (126, 3896760), (135, 3636976), (140, 3507084), (144, 3409665), (147, 3340080), (168, 2922570), (180, 2727732), (189, 2597840), (196, 2505060), (210, 2338056), (216, 2273110), (240, 2045799), (245, 2004048), (252, 1948380), (270, 1818488), (280, 1753542), (294, 1670040), (315, 1558704), (336, 1461285), (360, 1363866), (378, 1298920), (392, 1252530), (420, 1169028), (432, 1136555), (441, 1113360), (490, 1002024), (504, 974190), (540, 909244), (560, 876771), (588, 835020), (630, 779352), (720, 681933), (735, 668016), (756, 649460), (784, 626265), (840, 584514), (882, 556680), (945, 519568), (980, 501012), (1008, 487095), (1080, 454622), (1176, 417510), (1260, 389676), (1323, 371120), (1470, 334008), (1512, 324730), (1680, 292257), (1764, 278340), (1890, 259784), (1960, 250506), (2160, 227311), (2205, 222672), (2352, 208755), (2520, 194838), (2646, 185560), (2940, 167004), (3024, 162365), (3528, 139170), (3780, 129892), (3920, 125253), (4410, 111336), (4639, 105840), (5040, 97419), (5292, 92780), (5880, 83502), (6615, 74224), (7056, 69585), (7560, 64946), (8820, 55668), (9278, 52920), (10584, 46390), (11760, 41751), (13230, 37112), (13917, 35280), (15120, 32473), (17640, 27834), (18556, 26460), (21168, 23195)]