252657440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 192

約数和(自身を含む): 743178240

約数和(自身を除く): 490520800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 380, 383, 434, 496, 532, 560, 589, 608, 620, 665, 760, 766, 868, 992, 1064, 1085, 1120, 1178, 1240, 1330, 1520, 1532, 1736, 1915, 2128, 2170, 2356, 2480, 2660, 2681, 2945, 3040, 3064, 3472, 3830, 4123, 4256, 4340, 4712, 4960, 5320, 5362, 5890, 6128, 6944, 7277, 7660, 8246, 8680, 9424, 10640, 10724, 11780, 11873, 12256, 13405, 14554, 15320, 16492, 17360, 18848, 20615, 21280, 21448, 23560, 23746, 26810, 29108, 30640, 32984, 34720, 36385, 41230, 42896, 47120, 47492, 50939, 53620, 58216, 59365, 61280, 65968, 72770, 82460, 83111, 85792, 94240, 94984, 101878, 107240, 116432, 118730, 131936, 145540, 164920, 166222, 189968, 203756, 214480, 225587, 232864, 237460, 254695, 291080, 329840, 332444, 379936, 407512, 415555, 428960, 451174, 474920, 509390, 582160, 659680, 664888, 815024, 831110, 902348, 949840, 1018780, 1127935, 1164320, 1329776, 1579109, 1630048, 1662220, 1804696, 1899680, 2037560, 2255870, 2659552, 3158218, 3324440, 3609392, 4075120, 4511740, 6316436, 6648880, 7218784, 7895545, 8150240, 9023480, 12632872, 13297760, 15791090, 18046960, 25265744, 31582180, 36093920, 50531488, 63164360, 126328720, 252657440]

約数ペア:

[(1, 252657440), (2, 126328720), (4, 63164360), (5, 50531488), (7, 36093920), (8, 31582180), (10, 25265744), (14, 18046960), (16, 15791090), (19, 13297760), (20, 12632872), (28, 9023480), (31, 8150240), (32, 7895545), (35, 7218784), (38, 6648880), (40, 6316436), (56, 4511740), (62, 4075120), (70, 3609392), (76, 3324440), (80, 3158218), (95, 2659552), (112, 2255870), (124, 2037560), (133, 1899680), (140, 1804696), (152, 1662220), (155, 1630048), (160, 1579109), (190, 1329776), (217, 1164320), (224, 1127935), (248, 1018780), (266, 949840), (280, 902348), (304, 831110), (310, 815024), (380, 664888), (383, 659680), (434, 582160), (496, 509390), (532, 474920), (560, 451174), (589, 428960), (608, 415555), (620, 407512), (665, 379936), (760, 332444), (766, 329840), (868, 291080), (992, 254695), (1064, 237460), (1085, 232864), (1120, 225587), (1178, 214480), (1240, 203756), (1330, 189968), (1520, 166222), (1532, 164920), (1736, 145540), (1915, 131936), (2128, 118730), (2170, 116432), (2356, 107240), (2480, 101878), (2660, 94984), (2681, 94240), (2945, 85792), (3040, 83111), (3064, 82460), (3472, 72770), (3830, 65968), (4123, 61280), (4256, 59365), (4340, 58216), (4712, 53620), (4960, 50939), (5320, 47492), (5362, 47120), (5890, 42896), (6128, 41230), (6944, 36385), (7277, 34720), (7660, 32984), (8246, 30640), (8680, 29108), (9424, 26810), (10640, 23746), (10724, 23560), (11780, 21448), (11873, 21280), (12256, 20615), (13405, 18848), (14554, 17360), (15320, 16492)]