64550640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:540

約数の個数: 240

約数和(自身を含む): 254448000

約数和(自身を除く): 189897360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 231, 240, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 462, 490, 499, 528, 539, 560, 588, 616, 660, 735, 770, 784, 840, 880, 924, 980, 998, 1078, 1155, 1176, 1232, 1320, 1470, 1497, 1540, 1617, 1680, 1848, 1960, 1996, 2156, 2310, 2352, 2495, 2640, 2695, 2940, 2994, 3080, 3234, 3493, 3696, 3920, 3992, 4312, 4620, 4990, 5390, 5489, 5880, 5988, 6160, 6468, 6986, 7485, 7984, 8085, 8624, 9240, 9980, 10479, 10780, 10978, 11760, 11976, 12936, 13972, 14970, 16170, 16467, 17465, 18480, 19960, 20958, 21560, 21956, 23952, 24451, 25872, 27445, 27944, 29940, 32340, 32934, 34930, 38423, 39920, 41916, 43120, 43912, 48902, 52395, 54890, 55888, 59880, 64680, 65868, 69860, 73353, 76846, 82335, 83832, 87824, 97804, 104790, 109780, 115269, 119760, 122255, 129360, 131736, 139720, 146706, 153692, 164670, 167664, 192115, 195608, 209580, 219560, 230538, 244510, 263472, 268961, 279440, 293412, 307384, 329340, 366765, 384230, 391216, 419160, 439120, 461076, 489020, 537922, 576345, 586824, 614768, 658680, 733530, 768460, 806883, 838320, 922152, 978040, 1075844, 1152690, 1173648, 1317360, 1344805, 1467060, 1536920, 1613766, 1844304, 1956080, 2151688, 2305380, 2689610, 2934120, 3073840, 3227532, 4034415, 4303376, 4610760, 5379220, 5868240, 6455064, 8068830, 9221520, 10758440, 12910128, 16137660, 21516880, 32275320, 64550640]

約数ペア:

[(1, 64550640), (2, 32275320), (3, 21516880), (4, 16137660), (5, 12910128), (6, 10758440), (7, 9221520), (8, 8068830), (10, 6455064), (11, 5868240), (12, 5379220), (14, 4610760), (15, 4303376), (16, 4034415), (20, 3227532), (21, 3073840), (22, 2934120), (24, 2689610), (28, 2305380), (30, 2151688), (33, 1956080), (35, 1844304), (40, 1613766), (42, 1536920), (44, 1467060), (48, 1344805), (49, 1317360), (55, 1173648), (56, 1152690), (60, 1075844), (66, 978040), (70, 922152), (77, 838320), (80, 806883), (84, 768460), (88, 733530), (98, 658680), (105, 614768), (110, 586824), (112, 576345), (120, 537922), (132, 489020), (140, 461076), (147, 439120), (154, 419160), (165, 391216), (168, 384230), (176, 366765), (196, 329340), (210, 307384), (220, 293412), (231, 279440), (240, 268961), (245, 263472), (264, 244510), (280, 230538), (294, 219560), (308, 209580), (330, 195608), (336, 192115), (385, 167664), (392, 164670), (420, 153692), (440, 146706), (462, 139720), (490, 131736), (499, 129360), (528, 122255), (539, 119760), (560, 115269), (588, 109780), (616, 104790), (660, 97804), (735, 87824), (770, 83832), (784, 82335), (840, 76846), (880, 73353), (924, 69860), (980, 65868), (998, 64680), (1078, 59880), (1155, 55888), (1176, 54890), (1232, 52395), (1320, 48902), (1470, 43912), (1497, 43120), (1540, 41916), (1617, 39920), (1680, 38423), (1848, 34930), (1960, 32934), (1996, 32340), (2156, 29940), (2310, 27944), (2352, 27445), (2495, 25872), (2640, 24451), (2695, 23952), (2940, 21956), (2994, 21560), (3080, 20958), (3234, 19960), (3493, 18480), (3696, 17465), (3920, 16467), (3992, 16170), (4312, 14970), (4620, 13972), (4990, 12936), (5390, 11976), (5489, 11760), (5880, 10978), (5988, 10780), (6160, 10479), (6468, 9980), (6986, 9240), (7485, 8624), (7984, 8085)]