131440540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 356801760

約数和(自身を除く): 225361220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 89, 98, 110, 137, 140, 154, 178, 196, 220, 245, 274, 308, 356, 385, 445, 490, 539, 548, 623, 685, 770, 890, 959, 979, 980, 1078, 1246, 1370, 1507, 1540, 1780, 1918, 1958, 2156, 2492, 2695, 2740, 3014, 3115, 3836, 3916, 4361, 4795, 4895, 5390, 6028, 6230, 6713, 6853, 7535, 8722, 9590, 9790, 10549, 10780, 12193, 12460, 13426, 13706, 15070, 17444, 19180, 19580, 21098, 21805, 24386, 26852, 27412, 30140, 33565, 34265, 42196, 43610, 47971, 48772, 52745, 60965, 67130, 68530, 73843, 85351, 87220, 95942, 105490, 121930, 134123, 134260, 137060, 147686, 170702, 191884, 210980, 239855, 243860, 268246, 295372, 341404, 369215, 426755, 479710, 536492, 597457, 670615, 738430, 853510, 938861, 959420, 1194914, 1341230, 1476860, 1707020, 1877722, 2389828, 2682460, 2987285, 3755444, 4694305, 5974570, 6572027, 9388610, 11949140, 13144054, 18777220, 26288108, 32860135, 65720270, 131440540]

約数ペア:

[(1, 131440540), (2, 65720270), (4, 32860135), (5, 26288108), (7, 18777220), (10, 13144054), (11, 11949140), (14, 9388610), (20, 6572027), (22, 5974570), (28, 4694305), (35, 3755444), (44, 2987285), (49, 2682460), (55, 2389828), (70, 1877722), (77, 1707020), (89, 1476860), (98, 1341230), (110, 1194914), (137, 959420), (140, 938861), (154, 853510), (178, 738430), (196, 670615), (220, 597457), (245, 536492), (274, 479710), (308, 426755), (356, 369215), (385, 341404), (445, 295372), (490, 268246), (539, 243860), (548, 239855), (623, 210980), (685, 191884), (770, 170702), (890, 147686), (959, 137060), (979, 134260), (980, 134123), (1078, 121930), (1246, 105490), (1370, 95942), (1507, 87220), (1540, 85351), (1780, 73843), (1918, 68530), (1958, 67130), (2156, 60965), (2492, 52745), (2695, 48772), (2740, 47971), (3014, 43610), (3115, 42196), (3836, 34265), (3916, 33565), (4361, 30140), (4795, 27412), (4895, 26852), (5390, 24386), (6028, 21805), (6230, 21098), (6713, 19580), (6853, 19180), (7535, 17444), (8722, 15070), (9590, 13706), (9790, 13426), (10549, 12460), (10780, 12193)]