161275680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{111997}}^1$

素因数の和:112018

約数の個数: 72

約数和(自身を含む): 550358172

約数和(自身を除く): 389082492

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 111997, 223994, 335991, 447988, 559985, 671982, 895976, 1007973, 1119970, 1343964, 1679955, 1791952, 2015946, 2239940, 2687928, 3359910, 3583904, 4031892, 4479880, 5039865, 5375856, 6719820, 8063784, 8959760, 10079730, 10751712, 13439640, 16127568, 17919520, 20159460, 26879280, 32255136, 40318920, 53758560, 80637840, 161275680]

約数ペア:

[(1, 161275680), (2, 80637840), (3, 53758560), (4, 40318920), (5, 32255136), (6, 26879280), (8, 20159460), (9, 17919520), (10, 16127568), (12, 13439640), (15, 10751712), (16, 10079730), (18, 8959760), (20, 8063784), (24, 6719820), (30, 5375856), (32, 5039865), (36, 4479880), (40, 4031892), (45, 3583904), (48, 3359910), (60, 2687928), (72, 2239940), (80, 2015946), (90, 1791952), (96, 1679955), (120, 1343964), (144, 1119970), (160, 1007973), (180, 895976), (240, 671982), (288, 559985), (360, 447988), (480, 335991), (720, 223994), (1440, 111997)]