42157680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{653}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 131375520

約数和(自身を除く): 89217840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269, 538, 653, 807, 1076, 1306, 1345, 1614, 1959, 2152, 2612, 2690, 3228, 3265, 3918, 4035, 4304, 5224, 5380, 6456, 6530, 7836, 8070, 9795, 10448, 10760, 12912, 13060, 15672, 16140, 19590, 21520, 26120, 31344, 32280, 39180, 52240, 64560, 78360, 156720, 175657, 351314, 526971, 702628, 878285, 1053942, 1405256, 1756570, 2107884, 2634855, 2810512, 3513140, 4215768, 5269710, 7026280, 8431536, 10539420, 14052560, 21078840, 42157680]

約数ペア:

[(1, 42157680), (2, 21078840), (3, 14052560), (4, 10539420), (5, 8431536), (6, 7026280), (8, 5269710), (10, 4215768), (12, 3513140), (15, 2810512), (16, 2634855), (20, 2107884), (24, 1756570), (30, 1405256), (40, 1053942), (48, 878285), (60, 702628), (80, 526971), (120, 351314), (240, 175657), (269, 156720), (538, 78360), (653, 64560), (807, 52240), (1076, 39180), (1306, 32280), (1345, 31344), (1614, 26120), (1959, 21520), (2152, 19590), (2612, 16140), (2690, 15672), (3228, 13060), (3265, 12912), (3918, 10760), (4035, 10448), (4304, 9795), (5224, 8070), (5380, 7836), (6456, 6530)]