18702480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 58478400

約数和(自身を除く): 39775920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 523, 596, 745, 894, 1046, 1192, 1490, 1569, 1788, 2092, 2235, 2384, 2615, 2980, 3138, 3576, 4184, 4470, 5230, 5960, 6276, 7152, 7845, 8368, 8940, 10460, 11920, 12552, 15690, 17880, 20920, 25104, 31380, 35760, 41840, 62760, 77927, 125520, 155854, 233781, 311708, 389635, 467562, 623416, 779270, 935124, 1168905, 1246832, 1558540, 1870248, 2337810, 3117080, 3740496, 4675620, 6234160, 9351240, 18702480]

約数ペア:

[(1, 18702480), (2, 9351240), (3, 6234160), (4, 4675620), (5, 3740496), (6, 3117080), (8, 2337810), (10, 1870248), (12, 1558540), (15, 1246832), (16, 1168905), (20, 935124), (24, 779270), (30, 623416), (40, 467562), (48, 389635), (60, 311708), (80, 233781), (120, 155854), (149, 125520), (240, 77927), (298, 62760), (447, 41840), (523, 35760), (596, 31380), (745, 25104), (894, 20920), (1046, 17880), (1192, 15690), (1490, 12552), (1569, 11920), (1788, 10460), (2092, 8940), (2235, 8368), (2384, 7845), (2615, 7152), (2980, 6276), (3138, 5960), (3576, 5230), (4184, 4470)]