15680280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1697}}^1$

素因数の和:1729

約数の個数: 128

約数和(自身を含む): 58682880

約数和(自身を除く): 43002600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1697, 1848, 2310, 3080, 3394, 4620, 5091, 6788, 8485, 9240, 10182, 11879, 13576, 16970, 18667, 20364, 23758, 25455, 33940, 35637, 37334, 40728, 47516, 50910, 56001, 59395, 67880, 71274, 74668, 93335, 95032, 101820, 112002, 118790, 130669, 142548, 149336, 178185, 186670, 203640, 224004, 237580, 261338, 280005, 285096, 356370, 373340, 392007, 448008, 475160, 522676, 560010, 653345, 712740, 746680, 784014, 1045352, 1120020, 1306690, 1425480, 1568028, 1960035, 2240040, 2613380, 3136056, 3920070, 5226760, 7840140, 15680280]

約数ペア:

[(1, 15680280), (2, 7840140), (3, 5226760), (4, 3920070), (5, 3136056), (6, 2613380), (7, 2240040), (8, 1960035), (10, 1568028), (11, 1425480), (12, 1306690), (14, 1120020), (15, 1045352), (20, 784014), (21, 746680), (22, 712740), (24, 653345), (28, 560010), (30, 522676), (33, 475160), (35, 448008), (40, 392007), (42, 373340), (44, 356370), (55, 285096), (56, 280005), (60, 261338), (66, 237580), (70, 224004), (77, 203640), (84, 186670), (88, 178185), (105, 149336), (110, 142548), (120, 130669), (132, 118790), (140, 112002), (154, 101820), (165, 95032), (168, 93335), (210, 74668), (220, 71274), (231, 67880), (264, 59395), (280, 56001), (308, 50910), (330, 47516), (385, 40728), (420, 37334), (440, 35637), (462, 33940), (616, 25455), (660, 23758), (770, 20364), (840, 18667), (924, 16970), (1155, 13576), (1320, 11879), (1540, 10182), (1697, 9240), (1848, 8485), (2310, 6788), (3080, 5091), (3394, 4620)]