1608830720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:375

約数の個数: 216

約数和(自身を含む): 4542413904

約数和(自身を除く): 2933583184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 113, 128, 140, 160, 196, 224, 226, 227, 245, 256, 280, 320, 392, 448, 452, 454, 490, 560, 565, 640, 784, 791, 896, 904, 908, 980, 1120, 1130, 1135, 1280, 1568, 1582, 1589, 1792, 1808, 1816, 1960, 2240, 2260, 2270, 3136, 3164, 3178, 3616, 3632, 3920, 3955, 4480, 4520, 4540, 5537, 6272, 6328, 6356, 7232, 7264, 7840, 7910, 7945, 8960, 9040, 9080, 11074, 11123, 12544, 12656, 12712, 14464, 14528, 15680, 15820, 15890, 18080, 18160, 22148, 22246, 25312, 25424, 25651, 27685, 28928, 29056, 31360, 31640, 31780, 36160, 36320, 44296, 44492, 50624, 50848, 51302, 55370, 55615, 58112, 62720, 63280, 63560, 72320, 72640, 88592, 88984, 101248, 101696, 102604, 110740, 111230, 126560, 127120, 128255, 144640, 145280, 177184, 177968, 179557, 202496, 203392, 205208, 221480, 222460, 253120, 254240, 256510, 290560, 354368, 355936, 359114, 406784, 410416, 442960, 444920, 506240, 508480, 513020, 708736, 711872, 718228, 820832, 885920, 889840, 897785, 1012480, 1016960, 1026040, 1256899, 1417472, 1423744, 1436456, 1641664, 1771840, 1779680, 1795570, 2033920, 2052080, 2513798, 2847488, 2872912, 3283328, 3543680, 3559360, 3591140, 4104160, 5027596, 5745824, 6284495, 6566656, 7087360, 7118720, 7182280, 8208320, 10055192, 11491648, 12568990, 14237440, 14364560, 16416640, 20110384, 22983296, 25137980, 28729120, 32833280, 40220768, 45966592, 50275960, 57458240, 80441536, 100551920, 114916480, 160883072, 201103840, 229832960, 321766144, 402207680, 804415360, 1608830720]

約数ペア:

[(1, 1608830720), (2, 804415360), (4, 402207680), (5, 321766144), (7, 229832960), (8, 201103840), (10, 160883072), (14, 114916480), (16, 100551920), (20, 80441536), (28, 57458240), (32, 50275960), (35, 45966592), (40, 40220768), (49, 32833280), (56, 28729120), (64, 25137980), (70, 22983296), (80, 20110384), (98, 16416640), (112, 14364560), (113, 14237440), (128, 12568990), (140, 11491648), (160, 10055192), (196, 8208320), (224, 7182280), (226, 7118720), (227, 7087360), (245, 6566656), (256, 6284495), (280, 5745824), (320, 5027596), (392, 4104160), (448, 3591140), (452, 3559360), (454, 3543680), (490, 3283328), (560, 2872912), (565, 2847488), (640, 2513798), (784, 2052080), (791, 2033920), (896, 1795570), (904, 1779680), (908, 1771840), (980, 1641664), (1120, 1436456), (1130, 1423744), (1135, 1417472), (1280, 1256899), (1568, 1026040), (1582, 1016960), (1589, 1012480), (1792, 897785), (1808, 889840), (1816, 885920), (1960, 820832), (2240, 718228), (2260, 711872), (2270, 708736), (3136, 513020), (3164, 508480), (3178, 506240), (3616, 444920), (3632, 442960), (3920, 410416), (3955, 406784), (4480, 359114), (4520, 355936), (4540, 354368), (5537, 290560), (6272, 256510), (6328, 254240), (6356, 253120), (7232, 222460), (7264, 221480), (7840, 205208), (7910, 203392), (7945, 202496), (8960, 179557), (9040, 177968), (9080, 177184), (11074, 145280), (11123, 144640), (12544, 128255), (12656, 127120), (12712, 126560), (14464, 111230), (14528, 110740), (15680, 102604), (15820, 101696), (15890, 101248), (18080, 88984), (18160, 88592), (22148, 72640), (22246, 72320), (25312, 63560), (25424, 63280), (25651, 62720), (27685, 58112), (28928, 55615), (29056, 55370), (31360, 51302), (31640, 50848), (31780, 50624), (36160, 44492), (36320, 44296)]