780051420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{7001}}^1$

素因数の和:7635

約数の個数: 72

約数和(自身を含む): 2370317040

約数和(自身を除く): 1590265620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 1238, 1857, 2476, 3095, 3714, 5571, 6190, 7001, 7428, 9285, 11142, 12380, 14002, 18570, 21003, 22284, 27855, 28004, 35005, 37140, 42006, 55710, 63009, 70010, 84012, 105015, 111420, 126018, 140020, 210030, 252036, 315045, 420060, 630090, 1260180, 4333619, 8667238, 13000857, 17334476, 21668095, 26001714, 39002571, 43336190, 52003428, 65004285, 78005142, 86672380, 130008570, 156010284, 195012855, 260017140, 390025710, 780051420]

約数ペア:

[(1, 780051420), (2, 390025710), (3, 260017140), (4, 195012855), (5, 156010284), (6, 130008570), (9, 86672380), (10, 78005142), (12, 65004285), (15, 52003428), (18, 43336190), (20, 39002571), (30, 26001714), (36, 21668095), (45, 17334476), (60, 13000857), (90, 8667238), (180, 4333619), (619, 1260180), (1238, 630090), (1857, 420060), (2476, 315045), (3095, 252036), (3714, 210030), (5571, 140020), (6190, 126018), (7001, 111420), (7428, 105015), (9285, 84012), (11142, 70010), (12380, 63009), (14002, 55710), (18570, 42006), (21003, 37140), (22284, 35005), (27855, 28004)]