1804606720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 288

約数和(自身を含む): 5227407360

約数和(自身を除く): 3422800640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 73, 80, 89, 112, 124, 128, 140, 146, 155, 160, 178, 217, 224, 248, 256, 280, 292, 310, 320, 356, 365, 434, 445, 448, 496, 511, 560, 584, 620, 623, 640, 712, 730, 868, 890, 896, 992, 1022, 1085, 1120, 1168, 1240, 1246, 1280, 1424, 1460, 1736, 1780, 1792, 1984, 2044, 2170, 2240, 2263, 2336, 2480, 2492, 2555, 2759, 2848, 2920, 3115, 3472, 3560, 3968, 4088, 4340, 4480, 4526, 4672, 4960, 4984, 5110, 5518, 5696, 5840, 6230, 6497, 6944, 7120, 7936, 8176, 8680, 8960, 9052, 9344, 9920, 9968, 10220, 11036, 11315, 11392, 11680, 12460, 12994, 13795, 13888, 14240, 15841, 16352, 17360, 18104, 18688, 19313, 19840, 19936, 20440, 22072, 22630, 22784, 23360, 24920, 25988, 27590, 27776, 28480, 31682, 32485, 32704, 34720, 36208, 38626, 39680, 39872, 40880, 44144, 45260, 45479, 46720, 49840, 51976, 55180, 55552, 56960, 63364, 64970, 65408, 69440, 72416, 77252, 79205, 79744, 81760, 88288, 90520, 90958, 93440, 96565, 99680, 103952, 110360, 113920, 126728, 129940, 130816, 138880, 144832, 154504, 158410, 159488, 163520, 176576, 181040, 181916, 193130, 199360, 201407, 207904, 220720, 227395, 253456, 259880, 277760, 289664, 309008, 316820, 327040, 353152, 362080, 363832, 386260, 398720, 402814, 415808, 441440, 454790, 506912, 519760, 579328, 618016, 633640, 654080, 706304, 724160, 727664, 772520, 797440, 805628, 831616, 882880, 909580, 1007035, 1013824, 1039520, 1236032, 1267280, 1409849, 1448320, 1455328, 1545040, 1611256, 1663232, 1765760, 1819160, 2014070, 2027648, 2079040, 2472064, 2534560, 2819698, 2896640, 2910656, 3090080, 3222512, 3531520, 3638320, 4028140, 4055296, 4158080, 4944128, 5069120, 5639396, 5821312, 6180160, 6445024, 7049245, 7276640, 8056280, 8316160, 10138240, 11278792, 11642624, 12360320, 12890048, 14098490, 14553280, 16112560, 20276480, 22557584, 24720640, 25780096, 28196980, 29106560, 32225120, 45115168, 51560192, 56393960, 58213120, 64450240, 90230336, 112787920, 128900480, 180460672, 225575840, 257800960, 360921344, 451151680, 902303360, 1804606720]

約数ペア:

[(1, 1804606720), (2, 902303360), (4, 451151680), (5, 360921344), (7, 257800960), (8, 225575840), (10, 180460672), (14, 128900480), (16, 112787920), (20, 90230336), (28, 64450240), (31, 58213120), (32, 56393960), (35, 51560192), (40, 45115168), (56, 32225120), (62, 29106560), (64, 28196980), (70, 25780096), (73, 24720640), (80, 22557584), (89, 20276480), (112, 16112560), (124, 14553280), (128, 14098490), (140, 12890048), (146, 12360320), (155, 11642624), (160, 11278792), (178, 10138240), (217, 8316160), (224, 8056280), (248, 7276640), (256, 7049245), (280, 6445024), (292, 6180160), (310, 5821312), (320, 5639396), (356, 5069120), (365, 4944128), (434, 4158080), (445, 4055296), (448, 4028140), (496, 3638320), (511, 3531520), (560, 3222512), (584, 3090080), (620, 2910656), (623, 2896640), (640, 2819698), (712, 2534560), (730, 2472064), (868, 2079040), (890, 2027648), (896, 2014070), (992, 1819160), (1022, 1765760), (1085, 1663232), (1120, 1611256), (1168, 1545040), (1240, 1455328), (1246, 1448320), (1280, 1409849), (1424, 1267280), (1460, 1236032), (1736, 1039520), (1780, 1013824), (1792, 1007035), (1984, 909580), (2044, 882880), (2170, 831616), (2240, 805628), (2263, 797440), (2336, 772520), (2480, 727664), (2492, 724160), (2555, 706304), (2759, 654080), (2848, 633640), (2920, 618016), (3115, 579328), (3472, 519760), (3560, 506912), (3968, 454790), (4088, 441440), (4340, 415808), (4480, 402814), (4526, 398720), (4672, 386260), (4960, 363832), (4984, 362080), (5110, 353152), (5518, 327040), (5696, 316820), (5840, 309008), (6230, 289664), (6497, 277760), (6944, 259880), (7120, 253456), (7936, 227395), (8176, 220720), (8680, 207904), (8960, 201407), (9052, 199360), (9344, 193130), (9920, 181916), (9968, 181040), (10220, 176576), (11036, 163520), (11315, 159488), (11392, 158410), (11680, 154504), (12460, 144832), (12994, 138880), (13795, 130816), (13888, 129940), (14240, 126728), (15841, 113920), (16352, 110360), (17360, 103952), (18104, 99680), (18688, 96565), (19313, 93440), (19840, 90958), (19936, 90520), (20440, 88288), (22072, 81760), (22630, 79744), (22784, 79205), (23360, 77252), (24920, 72416), (25988, 69440), (27590, 65408), (27776, 64970), (28480, 63364), (31682, 56960), (32485, 55552), (32704, 55180), (34720, 51976), (36208, 49840), (38626, 46720), (39680, 45479), (39872, 45260), (40880, 44144)]