71560580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 194258736

約数和(自身を除く): 122698156

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 65, 70, 82, 91, 98, 130, 137, 140, 164, 182, 196, 205, 245, 260, 274, 287, 364, 410, 455, 490, 533, 548, 574, 637, 685, 820, 910, 959, 980, 1066, 1148, 1274, 1370, 1435, 1781, 1820, 1918, 2009, 2132, 2548, 2665, 2740, 2870, 3185, 3562, 3731, 3836, 4018, 4795, 5330, 5617, 5740, 6370, 6713, 7124, 7462, 8036, 8905, 9590, 10045, 10660, 11234, 12467, 12740, 13426, 14924, 17810, 18655, 19180, 20090, 22468, 24934, 26117, 26852, 28085, 33565, 35620, 37310, 39319, 40180, 49868, 52234, 56170, 62335, 67130, 73021, 74620, 78638, 87269, 104468, 112340, 124670, 130585, 134260, 146042, 157276, 174538, 196595, 249340, 261170, 275233, 292084, 349076, 365105, 393190, 436345, 511147, 522340, 550466, 730210, 786380, 872690, 1022294, 1100932, 1376165, 1460420, 1745380, 2044588, 2555735, 2752330, 3578029, 5111470, 5504660, 7156058, 10222940, 14312116, 17890145, 35780290, 71560580]

約数ペア:

[(1, 71560580), (2, 35780290), (4, 17890145), (5, 14312116), (7, 10222940), (10, 7156058), (13, 5504660), (14, 5111470), (20, 3578029), (26, 2752330), (28, 2555735), (35, 2044588), (41, 1745380), (49, 1460420), (52, 1376165), (65, 1100932), (70, 1022294), (82, 872690), (91, 786380), (98, 730210), (130, 550466), (137, 522340), (140, 511147), (164, 436345), (182, 393190), (196, 365105), (205, 349076), (245, 292084), (260, 275233), (274, 261170), (287, 249340), (364, 196595), (410, 174538), (455, 157276), (490, 146042), (533, 134260), (548, 130585), (574, 124670), (637, 112340), (685, 104468), (820, 87269), (910, 78638), (959, 74620), (980, 73021), (1066, 67130), (1148, 62335), (1274, 56170), (1370, 52234), (1435, 49868), (1781, 40180), (1820, 39319), (1918, 37310), (2009, 35620), (2132, 33565), (2548, 28085), (2665, 26852), (2740, 26117), (2870, 24934), (3185, 22468), (3562, 20090), (3731, 19180), (3836, 18655), (4018, 17810), (4795, 14924), (5330, 13426), (5617, 12740), (5740, 12467), (6370, 11234), (6713, 10660), (7124, 10045), (7462, 9590), (8036, 8905)]