488761280

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 224

約数和(自身を含む): 1398422400

約数和(自身を除く): 909661120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 73, 80, 98, 112, 122, 140, 146, 160, 196, 224, 244, 245, 280, 292, 305, 320, 343, 365, 392, 427, 448, 488, 490, 511, 560, 584, 610, 686, 730, 784, 854, 976, 980, 1022, 1120, 1168, 1220, 1372, 1460, 1568, 1708, 1715, 1952, 1960, 2044, 2135, 2240, 2336, 2440, 2555, 2744, 2920, 2989, 3136, 3416, 3430, 3577, 3904, 3920, 4088, 4270, 4453, 4672, 4880, 5110, 5488, 5840, 5978, 6832, 6860, 7154, 7840, 8176, 8540, 8906, 9760, 10220, 10976, 11680, 11956, 13664, 13720, 14308, 14945, 15680, 16352, 17080, 17812, 17885, 19520, 20440, 20923, 21952, 22265, 23360, 23912, 25039, 27328, 27440, 28616, 29890, 31171, 32704, 34160, 35624, 35770, 40880, 41846, 44530, 47824, 50078, 54880, 57232, 59780, 62342, 68320, 71248, 71540, 81760, 83692, 89060, 95648, 100156, 104615, 109760, 114464, 119560, 124684, 125195, 136640, 142496, 143080, 155855, 163520, 167384, 178120, 191296, 200312, 209230, 218197, 228928, 239120, 249368, 250390, 284992, 286160, 311710, 334768, 356240, 400624, 418460, 436394, 478240, 498736, 500780, 572320, 623420, 669536, 712480, 801248, 836920, 872788, 956480, 997472, 1001560, 1090985, 1144640, 1246840, 1339072, 1424960, 1527379, 1602496, 1673840, 1745576, 1994944, 2003120, 2181970, 2493680, 3054758, 3347680, 3491152, 4006240, 4363940, 4987360, 6109516, 6695360, 6982304, 7636895, 8012480, 8727880, 9974720, 12219032, 13964608, 15273790, 17455760, 24438064, 30547580, 34911520, 48876128, 61095160, 69823040, 97752256, 122190320, 244380640, 488761280]

約数ペア:

[(1, 488761280), (2, 244380640), (4, 122190320), (5, 97752256), (7, 69823040), (8, 61095160), (10, 48876128), (14, 34911520), (16, 30547580), (20, 24438064), (28, 17455760), (32, 15273790), (35, 13964608), (40, 12219032), (49, 9974720), (56, 8727880), (61, 8012480), (64, 7636895), (70, 6982304), (73, 6695360), (80, 6109516), (98, 4987360), (112, 4363940), (122, 4006240), (140, 3491152), (146, 3347680), (160, 3054758), (196, 2493680), (224, 2181970), (244, 2003120), (245, 1994944), (280, 1745576), (292, 1673840), (305, 1602496), (320, 1527379), (343, 1424960), (365, 1339072), (392, 1246840), (427, 1144640), (448, 1090985), (488, 1001560), (490, 997472), (511, 956480), (560, 872788), (584, 836920), (610, 801248), (686, 712480), (730, 669536), (784, 623420), (854, 572320), (976, 500780), (980, 498736), (1022, 478240), (1120, 436394), (1168, 418460), (1220, 400624), (1372, 356240), (1460, 334768), (1568, 311710), (1708, 286160), (1715, 284992), (1952, 250390), (1960, 249368), (2044, 239120), (2135, 228928), (2240, 218197), (2336, 209230), (2440, 200312), (2555, 191296), (2744, 178120), (2920, 167384), (2989, 163520), (3136, 155855), (3416, 143080), (3430, 142496), (3577, 136640), (3904, 125195), (3920, 124684), (4088, 119560), (4270, 114464), (4453, 109760), (4672, 104615), (4880, 100156), (5110, 95648), (5488, 89060), (5840, 83692), (5978, 81760), (6832, 71540), (6860, 71248), (7154, 68320), (7840, 62342), (8176, 59780), (8540, 57232), (8906, 54880), (9760, 50078), (10220, 47824), (10976, 44530), (11680, 41846), (11956, 40880), (13664, 35770), (13720, 35624), (14308, 34160), (14945, 32704), (15680, 31171), (16352, 29890), (17080, 28616), (17812, 27440), (17885, 27328), (19520, 25039), (20440, 23912), (20923, 23360), (21952, 22265)]