120543320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 278553600

約数和(自身を除く): 158010280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 389, 488, 508, 610, 635, 778, 1016, 1220, 1270, 1556, 1945, 2440, 2540, 3112, 3890, 5080, 7747, 7780, 15494, 15560, 23729, 30988, 38735, 47458, 49403, 61976, 77470, 94916, 98806, 118645, 154940, 189832, 197612, 237290, 247015, 309880, 395224, 474580, 494030, 949160, 988060, 1976120, 3013583, 6027166, 12054332, 15067915, 24108664, 30135830, 60271660, 120543320]

約数ペア:

[(1, 120543320), (2, 60271660), (4, 30135830), (5, 24108664), (8, 15067915), (10, 12054332), (20, 6027166), (40, 3013583), (61, 1976120), (122, 988060), (127, 949160), (244, 494030), (254, 474580), (305, 395224), (389, 309880), (488, 247015), (508, 237290), (610, 197612), (635, 189832), (778, 154940), (1016, 118645), (1220, 98806), (1270, 94916), (1556, 77470), (1945, 61976), (2440, 49403), (2540, 47458), (3112, 38735), (3890, 30988), (5080, 23729), (7747, 15560), (7780, 15494)]