19525680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:643

約数の個数: 120

約数和(自身を含む): 67084992

約数和(自身を除く): 47559312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 577, 705, 720, 752, 846, 940, 1128, 1154, 1410, 1692, 1731, 1880, 2115, 2256, 2308, 2820, 2885, 3384, 3462, 3760, 4230, 4616, 5193, 5640, 5770, 6768, 6924, 8460, 8655, 9232, 10386, 11280, 11540, 13848, 16920, 17310, 20772, 23080, 25965, 27119, 27696, 33840, 34620, 41544, 46160, 51930, 54238, 69240, 81357, 83088, 103860, 108476, 135595, 138480, 162714, 207720, 216952, 244071, 271190, 325428, 406785, 415440, 433904, 488142, 542380, 650856, 813570, 976284, 1084760, 1220355, 1301712, 1627140, 1952568, 2169520, 2440710, 3254280, 3905136, 4881420, 6508560, 9762840, 19525680]

約数ペア:

[(1, 19525680), (2, 9762840), (3, 6508560), (4, 4881420), (5, 3905136), (6, 3254280), (8, 2440710), (9, 2169520), (10, 1952568), (12, 1627140), (15, 1301712), (16, 1220355), (18, 1084760), (20, 976284), (24, 813570), (30, 650856), (36, 542380), (40, 488142), (45, 433904), (47, 415440), (48, 406785), (60, 325428), (72, 271190), (80, 244071), (90, 216952), (94, 207720), (120, 162714), (141, 138480), (144, 135595), (180, 108476), (188, 103860), (235, 83088), (240, 81357), (282, 69240), (360, 54238), (376, 51930), (423, 46160), (470, 41544), (564, 34620), (577, 33840), (705, 27696), (720, 27119), (752, 25965), (846, 23080), (940, 20772), (1128, 17310), (1154, 16920), (1410, 13848), (1692, 11540), (1731, 11280), (1880, 10386), (2115, 9232), (2256, 8655), (2308, 8460), (2820, 6924), (2885, 6768), (3384, 5770), (3462, 5640), (3760, 5193), (4230, 4616)]