28522480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 79789536

約数和(自身を除く): 51267056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 53, 56, 62, 70, 80, 106, 112, 124, 140, 155, 212, 217, 248, 265, 280, 310, 371, 424, 434, 496, 530, 560, 620, 742, 848, 868, 961, 1060, 1085, 1240, 1484, 1643, 1736, 1855, 1922, 2120, 2170, 2480, 2968, 3286, 3472, 3710, 3844, 4240, 4340, 4805, 5936, 6572, 6727, 7420, 7688, 8215, 8680, 9610, 11501, 13144, 13454, 14840, 15376, 16430, 17360, 19220, 23002, 26288, 26908, 29680, 32860, 33635, 38440, 46004, 50933, 53816, 57505, 65720, 67270, 76880, 92008, 101866, 107632, 115010, 131440, 134540, 184016, 203732, 230020, 254665, 269080, 356531, 407464, 460040, 509330, 538160, 713062, 814928, 920080, 1018660, 1426124, 1782655, 2037320, 2852248, 3565310, 4074640, 5704496, 7130620, 14261240, 28522480]

約数ペア:

[(1, 28522480), (2, 14261240), (4, 7130620), (5, 5704496), (7, 4074640), (8, 3565310), (10, 2852248), (14, 2037320), (16, 1782655), (20, 1426124), (28, 1018660), (31, 920080), (35, 814928), (40, 713062), (53, 538160), (56, 509330), (62, 460040), (70, 407464), (80, 356531), (106, 269080), (112, 254665), (124, 230020), (140, 203732), (155, 184016), (212, 134540), (217, 131440), (248, 115010), (265, 107632), (280, 101866), (310, 92008), (371, 76880), (424, 67270), (434, 65720), (496, 57505), (530, 53816), (560, 50933), (620, 46004), (742, 38440), (848, 33635), (868, 32860), (961, 29680), (1060, 26908), (1085, 26288), (1240, 23002), (1484, 19220), (1643, 17360), (1736, 16430), (1855, 15376), (1922, 14840), (2120, 13454), (2170, 13144), (2480, 11501), (2968, 9610), (3286, 8680), (3472, 8215), (3710, 7688), (3844, 7420), (4240, 6727), (4340, 6572), (4805, 5936)]