91720120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 211947840

約数和(自身を除く): 120227720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 101, 146, 202, 292, 311, 365, 404, 505, 584, 622, 730, 808, 1010, 1244, 1460, 1555, 2020, 2488, 2920, 3110, 4040, 6220, 7373, 12440, 14746, 22703, 29492, 31411, 36865, 45406, 58984, 62822, 73730, 90812, 113515, 125644, 147460, 157055, 181624, 227030, 251288, 294920, 314110, 454060, 628220, 908120, 1256440, 2293003, 4586006, 9172012, 11465015, 18344024, 22930030, 45860060, 91720120]

約数ペア:

[(1, 91720120), (2, 45860060), (4, 22930030), (5, 18344024), (8, 11465015), (10, 9172012), (20, 4586006), (40, 2293003), (73, 1256440), (101, 908120), (146, 628220), (202, 454060), (292, 314110), (311, 294920), (365, 251288), (404, 227030), (505, 181624), (584, 157055), (622, 147460), (730, 125644), (808, 113515), (1010, 90812), (1244, 73730), (1460, 62822), (1555, 58984), (2020, 45406), (2488, 36865), (2920, 31411), (3110, 29492), (4040, 22703), (6220, 14746), (7373, 12440)]