191812140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81971}}^1$

素因数の和:81999

約数の個数: 72

約数和(自身を含む): 626593968

約数和(自身を除く): 434781828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 81971, 163942, 245913, 327884, 409855, 491826, 737739, 819710, 983652, 1065623, 1229565, 1475478, 1639420, 2131246, 2459130, 2950956, 3196869, 3688695, 4262492, 4918260, 5328115, 6393738, 7377390, 9590607, 10656230, 12787476, 14754780, 15984345, 19181214, 21312460, 31968690, 38362428, 47953035, 63937380, 95906070, 191812140]

約数ペア:

[(1, 191812140), (2, 95906070), (3, 63937380), (4, 47953035), (5, 38362428), (6, 31968690), (9, 21312460), (10, 19181214), (12, 15984345), (13, 14754780), (15, 12787476), (18, 10656230), (20, 9590607), (26, 7377390), (30, 6393738), (36, 5328115), (39, 4918260), (45, 4262492), (52, 3688695), (60, 3196869), (65, 2950956), (78, 2459130), (90, 2131246), (117, 1639420), (130, 1475478), (156, 1229565), (180, 1065623), (195, 983652), (234, 819710), (260, 737739), (390, 491826), (468, 409855), (585, 327884), (780, 245913), (1170, 163942), (2340, 81971)]