177755220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16189}}^1$

素因数の和:16265

約数の個数: 72

約数和(自身を含む): 548063880

約数和(自身を除く): 370308660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 16189, 32378, 48567, 64756, 80945, 97134, 145701, 161890, 194268, 242835, 291402, 323780, 485670, 582804, 728505, 971340, 987529, 1457010, 1975058, 2914020, 2962587, 3950116, 4937645, 5925174, 8887761, 9875290, 11850348, 14812935, 17775522, 19750580, 29625870, 35551044, 44438805, 59251740, 88877610, 177755220]

約数ペア:

[(1, 177755220), (2, 88877610), (3, 59251740), (4, 44438805), (5, 35551044), (6, 29625870), (9, 19750580), (10, 17775522), (12, 14812935), (15, 11850348), (18, 9875290), (20, 8887761), (30, 5925174), (36, 4937645), (45, 3950116), (60, 2962587), (61, 2914020), (90, 1975058), (122, 1457010), (180, 987529), (183, 971340), (244, 728505), (305, 582804), (366, 485670), (549, 323780), (610, 291402), (732, 242835), (915, 194268), (1098, 161890), (1220, 145701), (1830, 97134), (2196, 80945), (2745, 64756), (3660, 48567), (5490, 32378), (10980, 16189)]