1777515320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 4656960000

約数和(自身を除く): 2879444680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 139, 140, 218, 278, 280, 419, 436, 545, 556, 695, 763, 838, 872, 973, 1090, 1112, 1390, 1526, 1676, 1946, 2095, 2180, 2780, 2933, 3052, 3352, 3815, 3892, 4190, 4360, 4865, 5560, 5866, 6104, 7630, 7784, 8380, 9730, 11732, 14665, 15151, 15260, 16760, 19460, 23464, 29330, 30302, 30520, 38920, 45671, 58241, 58660, 60604, 75755, 91342, 106057, 116482, 117320, 121208, 151510, 182684, 212114, 228355, 232964, 291205, 303020, 319697, 365368, 407687, 424228, 456710, 465928, 530285, 582410, 606040, 639394, 815374, 848456, 913420, 1060570, 1164820, 1278788, 1598485, 1630748, 1826840, 2038435, 2121140, 2329640, 2557576, 3196970, 3261496, 4076870, 4242280, 6348269, 6393940, 8153740, 12696538, 12787880, 16307480, 25393076, 31741345, 44437883, 50786152, 63482690, 88875766, 126965380, 177751532, 222189415, 253930760, 355503064, 444378830, 888757660, 1777515320]

約数ペア:

[(1, 1777515320), (2, 888757660), (4, 444378830), (5, 355503064), (7, 253930760), (8, 222189415), (10, 177751532), (14, 126965380), (20, 88875766), (28, 63482690), (35, 50786152), (40, 44437883), (56, 31741345), (70, 25393076), (109, 16307480), (139, 12787880), (140, 12696538), (218, 8153740), (278, 6393940), (280, 6348269), (419, 4242280), (436, 4076870), (545, 3261496), (556, 3196970), (695, 2557576), (763, 2329640), (838, 2121140), (872, 2038435), (973, 1826840), (1090, 1630748), (1112, 1598485), (1390, 1278788), (1526, 1164820), (1676, 1060570), (1946, 913420), (2095, 848456), (2180, 815374), (2780, 639394), (2933, 606040), (3052, 582410), (3352, 530285), (3815, 465928), (3892, 456710), (4190, 424228), (4360, 407687), (4865, 365368), (5560, 319697), (5866, 303020), (6104, 291205), (7630, 232964), (7784, 228355), (8380, 212114), (9730, 182684), (11732, 151510), (14665, 121208), (15151, 117320), (15260, 116482), (16760, 106057), (19460, 91342), (23464, 75755), (29330, 60604), (30302, 58660), (30520, 58241), (38920, 45671)]