1557698240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2495

約数の個数: 168

約数和(自身を含む): 4421928672

約数和(自身を除く): 2864230432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 320, 328, 392, 410, 448, 490, 560, 574, 656, 784, 820, 980, 1120, 1148, 1312, 1435, 1568, 1640, 1960, 2009, 2240, 2296, 2423, 2624, 2870, 3136, 3280, 3920, 4018, 4592, 4846, 5740, 6560, 7840, 8036, 9184, 9692, 10045, 11480, 12115, 13120, 15680, 16072, 16961, 18368, 19384, 20090, 22960, 24230, 32144, 33922, 38768, 40180, 45920, 48460, 64288, 67844, 77536, 80360, 84805, 91840, 96920, 99343, 118727, 128576, 135688, 155072, 160720, 169610, 193840, 198686, 237454, 271376, 321440, 339220, 387680, 397372, 474908, 496715, 542752, 593635, 642880, 678440, 695401, 775360, 794744, 949816, 993430, 1085504, 1187270, 1356880, 1390802, 1589488, 1899632, 1986860, 2374540, 2713760, 2781604, 3178976, 3477005, 3799264, 3973720, 4749080, 4867807, 5427520, 5563208, 6357952, 6954010, 7598528, 7947440, 9498160, 9735614, 11126416, 13908020, 15894880, 18996320, 19471228, 22252832, 24339035, 27816040, 31789760, 37992640, 38942456, 44505664, 48678070, 55632080, 77884912, 97356140, 111264160, 155769824, 194712280, 222528320, 311539648, 389424560, 778849120, 1557698240]

約数ペア:

[(1, 1557698240), (2, 778849120), (4, 389424560), (5, 311539648), (7, 222528320), (8, 194712280), (10, 155769824), (14, 111264160), (16, 97356140), (20, 77884912), (28, 55632080), (32, 48678070), (35, 44505664), (40, 38942456), (41, 37992640), (49, 31789760), (56, 27816040), (64, 24339035), (70, 22252832), (80, 19471228), (82, 18996320), (98, 15894880), (112, 13908020), (140, 11126416), (160, 9735614), (164, 9498160), (196, 7947440), (205, 7598528), (224, 6954010), (245, 6357952), (280, 5563208), (287, 5427520), (320, 4867807), (328, 4749080), (392, 3973720), (410, 3799264), (448, 3477005), (490, 3178976), (560, 2781604), (574, 2713760), (656, 2374540), (784, 1986860), (820, 1899632), (980, 1589488), (1120, 1390802), (1148, 1356880), (1312, 1187270), (1435, 1085504), (1568, 993430), (1640, 949816), (1960, 794744), (2009, 775360), (2240, 695401), (2296, 678440), (2423, 642880), (2624, 593635), (2870, 542752), (3136, 496715), (3280, 474908), (3920, 397372), (4018, 387680), (4592, 339220), (4846, 321440), (5740, 271376), (6560, 237454), (7840, 198686), (8036, 193840), (9184, 169610), (9692, 160720), (10045, 155072), (11480, 135688), (12115, 128576), (13120, 118727), (15680, 99343), (16072, 96920), (16961, 91840), (18368, 84805), (19384, 80360), (20090, 77536), (22960, 67844), (24230, 64288), (32144, 48460), (33922, 45920), (38768, 40180)]