28308720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10723}}^1$

素因数の和:10750

約数の個数: 80

約数和(自身を含む): 95743872

約数和(自身を除く): 67435152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10723, 21446, 32169, 42892, 53615, 64338, 85784, 107230, 117953, 128676, 160845, 171568, 214460, 235906, 257352, 321690, 353859, 428920, 471812, 514704, 589765, 643380, 707718, 857840, 943624, 1179530, 1286760, 1415436, 1769295, 1887248, 2359060, 2573520, 2830872, 3538590, 4718120, 5661744, 7077180, 9436240, 14154360, 28308720]

約数ペア:

[(1, 28308720), (2, 14154360), (3, 9436240), (4, 7077180), (5, 5661744), (6, 4718120), (8, 3538590), (10, 2830872), (11, 2573520), (12, 2359060), (15, 1887248), (16, 1769295), (20, 1415436), (22, 1286760), (24, 1179530), (30, 943624), (33, 857840), (40, 707718), (44, 643380), (48, 589765), (55, 514704), (60, 471812), (66, 428920), (80, 353859), (88, 321690), (110, 257352), (120, 235906), (132, 214460), (165, 171568), (176, 160845), (220, 128676), (240, 117953), (264, 107230), (330, 85784), (440, 64338), (528, 53615), (660, 42892), (880, 32169), (1320, 21446), (2640, 10723)]