1657980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 5145504

約数和(自身を除く): 3487524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 151, 180, 183, 244, 302, 305, 366, 453, 549, 604, 610, 732, 755, 906, 915, 1098, 1220, 1359, 1510, 1812, 1830, 2196, 2265, 2718, 2745, 3020, 3660, 4530, 5436, 5490, 6795, 9060, 9211, 10980, 13590, 18422, 27180, 27633, 36844, 46055, 55266, 82899, 92110, 110532, 138165, 165798, 184220, 276330, 331596, 414495, 552660, 828990, 1657980]

約数ペア:

[(1, 1657980), (2, 828990), (3, 552660), (4, 414495), (5, 331596), (6, 276330), (9, 184220), (10, 165798), (12, 138165), (15, 110532), (18, 92110), (20, 82899), (30, 55266), (36, 46055), (45, 36844), (60, 27633), (61, 27180), (90, 18422), (122, 13590), (151, 10980), (180, 9211), (183, 9060), (244, 6795), (302, 5490), (305, 5436), (366, 4530), (453, 3660), (549, 3020), (604, 2745), (610, 2718), (732, 2265), (755, 2196), (906, 1830), (915, 1812), (1098, 1510), (1220, 1359)]