28053720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 91962000

約数和(自身を除く): 63908280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 180, 298, 360, 447, 523, 596, 745, 894, 1046, 1192, 1341, 1490, 1569, 1788, 2092, 2235, 2615, 2682, 2980, 3138, 3576, 4184, 4470, 4707, 5230, 5364, 5960, 6276, 6705, 7845, 8940, 9414, 10460, 10728, 12552, 13410, 15690, 17880, 18828, 20920, 23535, 26820, 31380, 37656, 47070, 53640, 62760, 77927, 94140, 155854, 188280, 233781, 311708, 389635, 467562, 623416, 701343, 779270, 935124, 1168905, 1402686, 1558540, 1870248, 2337810, 2805372, 3117080, 3506715, 4675620, 5610744, 7013430, 9351240, 14026860, 28053720]

約数ペア:

[(1, 28053720), (2, 14026860), (3, 9351240), (4, 7013430), (5, 5610744), (6, 4675620), (8, 3506715), (9, 3117080), (10, 2805372), (12, 2337810), (15, 1870248), (18, 1558540), (20, 1402686), (24, 1168905), (30, 935124), (36, 779270), (40, 701343), (45, 623416), (60, 467562), (72, 389635), (90, 311708), (120, 233781), (149, 188280), (180, 155854), (298, 94140), (360, 77927), (447, 62760), (523, 53640), (596, 47070), (745, 37656), (894, 31380), (1046, 26820), (1192, 23535), (1341, 20920), (1490, 18828), (1569, 17880), (1788, 15690), (2092, 13410), (2235, 12552), (2615, 10728), (2682, 10460), (2980, 9414), (3138, 8940), (3576, 7845), (4184, 6705), (4470, 6276), (4707, 5960), (5230, 5364)]