678771520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:697

約数の個数: 168

約数和(自身を含む): 1909184904

約数和(自身を除く): 1230413384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 245, 280, 292, 320, 365, 392, 448, 490, 511, 560, 584, 593, 730, 784, 980, 1022, 1120, 1168, 1186, 1460, 1568, 1960, 2044, 2240, 2336, 2372, 2555, 2920, 2965, 3136, 3577, 3920, 4088, 4151, 4672, 4744, 5110, 5840, 5930, 7154, 7840, 8176, 8302, 9488, 10220, 11680, 11860, 14308, 15680, 16352, 16604, 17885, 18976, 20440, 20755, 23360, 23720, 28616, 29057, 32704, 33208, 35770, 37952, 40880, 41510, 43289, 47440, 57232, 58114, 66416, 71540, 81760, 83020, 86578, 94880, 114464, 116228, 132832, 143080, 145285, 163520, 166040, 173156, 189760, 216445, 228928, 232456, 265664, 286160, 290570, 303023, 332080, 346312, 432890, 464912, 572320, 581140, 606046, 664160, 692624, 865780, 929824, 1144640, 1162280, 1212092, 1328320, 1385248, 1515115, 1731560, 1859648, 2121161, 2324560, 2424184, 2770496, 3030230, 3463120, 4242322, 4649120, 4848368, 6060460, 6926240, 8484644, 9298240, 9696736, 10605805, 12120920, 13852480, 16969288, 19393472, 21211610, 24241840, 33938576, 42423220, 48483680, 67877152, 84846440, 96967360, 135754304, 169692880, 339385760, 678771520]

約数ペア:

[(1, 678771520), (2, 339385760), (4, 169692880), (5, 135754304), (7, 96967360), (8, 84846440), (10, 67877152), (14, 48483680), (16, 42423220), (20, 33938576), (28, 24241840), (32, 21211610), (35, 19393472), (40, 16969288), (49, 13852480), (56, 12120920), (64, 10605805), (70, 9696736), (73, 9298240), (80, 8484644), (98, 6926240), (112, 6060460), (140, 4848368), (146, 4649120), (160, 4242322), (196, 3463120), (224, 3030230), (245, 2770496), (280, 2424184), (292, 2324560), (320, 2121161), (365, 1859648), (392, 1731560), (448, 1515115), (490, 1385248), (511, 1328320), (560, 1212092), (584, 1162280), (593, 1144640), (730, 929824), (784, 865780), (980, 692624), (1022, 664160), (1120, 606046), (1168, 581140), (1186, 572320), (1460, 464912), (1568, 432890), (1960, 346312), (2044, 332080), (2240, 303023), (2336, 290570), (2372, 286160), (2555, 265664), (2920, 232456), (2965, 228928), (3136, 216445), (3577, 189760), (3920, 173156), (4088, 166040), (4151, 163520), (4672, 145285), (4744, 143080), (5110, 132832), (5840, 116228), (5930, 114464), (7154, 94880), (7840, 86578), (8176, 83020), (8302, 81760), (9488, 71540), (10220, 66416), (11680, 58114), (11860, 57232), (14308, 47440), (15680, 43289), (16352, 41510), (16604, 40880), (17885, 37952), (18976, 35770), (20440, 33208), (20755, 32704), (23360, 29057), (23720, 28616)]