66771120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21401}}^1$

素因数の和:21430

約数の個数: 80

約数和(自身を含む): 222923232

約数和(自身を除く): 156152112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21401, 42802, 64203, 85604, 107005, 128406, 171208, 214010, 256812, 278213, 321015, 342416, 428020, 513624, 556426, 642030, 834639, 856040, 1027248, 1112852, 1284060, 1391065, 1669278, 1712080, 2225704, 2568120, 2782130, 3338556, 4173195, 4451408, 5136240, 5564260, 6677112, 8346390, 11128520, 13354224, 16692780, 22257040, 33385560, 66771120]

約数ペア:

[(1, 66771120), (2, 33385560), (3, 22257040), (4, 16692780), (5, 13354224), (6, 11128520), (8, 8346390), (10, 6677112), (12, 5564260), (13, 5136240), (15, 4451408), (16, 4173195), (20, 3338556), (24, 2782130), (26, 2568120), (30, 2225704), (39, 1712080), (40, 1669278), (48, 1391065), (52, 1284060), (60, 1112852), (65, 1027248), (78, 856040), (80, 834639), (104, 642030), (120, 556426), (130, 513624), (156, 428020), (195, 342416), (208, 321015), (240, 278213), (260, 256812), (312, 214010), (390, 171208), (520, 128406), (624, 107005), (780, 85604), (1040, 64203), (1560, 42802), (3120, 21401)]