284738720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 812851200

約数和(自身を除く): 528112480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 59, 62, 70, 80, 112, 118, 124, 139, 140, 155, 160, 217, 224, 236, 248, 278, 280, 295, 310, 413, 434, 472, 496, 556, 560, 590, 620, 695, 826, 868, 944, 973, 992, 1085, 1112, 1120, 1180, 1240, 1390, 1652, 1736, 1829, 1888, 1946, 2065, 2170, 2224, 2360, 2480, 2780, 3304, 3472, 3658, 3892, 4130, 4309, 4340, 4448, 4720, 4865, 4960, 5560, 6608, 6944, 7316, 7784, 8201, 8260, 8618, 8680, 9145, 9440, 9730, 11120, 12803, 13216, 14632, 15568, 16402, 16520, 17236, 17360, 18290, 19460, 21545, 22240, 25606, 29264, 30163, 31136, 32804, 33040, 34472, 34720, 36580, 38920, 41005, 43090, 51212, 57407, 58528, 60326, 64015, 65608, 66080, 68944, 73160, 77840, 82010, 86180, 102424, 114814, 120652, 128030, 131216, 137888, 146320, 150815, 155680, 164020, 172360, 204848, 229628, 241304, 254231, 256060, 262432, 287035, 292640, 301630, 328040, 344720, 409696, 459256, 482608, 508462, 512120, 574070, 603260, 656080, 689440, 918512, 965216, 1016924, 1024240, 1148140, 1206520, 1271155, 1312160, 1779617, 1837024, 2033848, 2048480, 2296280, 2413040, 2542310, 3559234, 4067696, 4592560, 4826080, 5084620, 7118468, 8135392, 8898085, 9185120, 10169240, 14236936, 17796170, 20338480, 28473872, 35592340, 40676960, 56947744, 71184680, 142369360, 284738720]

約数ペア:

[(1, 284738720), (2, 142369360), (4, 71184680), (5, 56947744), (7, 40676960), (8, 35592340), (10, 28473872), (14, 20338480), (16, 17796170), (20, 14236936), (28, 10169240), (31, 9185120), (32, 8898085), (35, 8135392), (40, 7118468), (56, 5084620), (59, 4826080), (62, 4592560), (70, 4067696), (80, 3559234), (112, 2542310), (118, 2413040), (124, 2296280), (139, 2048480), (140, 2033848), (155, 1837024), (160, 1779617), (217, 1312160), (224, 1271155), (236, 1206520), (248, 1148140), (278, 1024240), (280, 1016924), (295, 965216), (310, 918512), (413, 689440), (434, 656080), (472, 603260), (496, 574070), (556, 512120), (560, 508462), (590, 482608), (620, 459256), (695, 409696), (826, 344720), (868, 328040), (944, 301630), (973, 292640), (992, 287035), (1085, 262432), (1112, 256060), (1120, 254231), (1180, 241304), (1240, 229628), (1390, 204848), (1652, 172360), (1736, 164020), (1829, 155680), (1888, 150815), (1946, 146320), (2065, 137888), (2170, 131216), (2224, 128030), (2360, 120652), (2480, 114814), (2780, 102424), (3304, 86180), (3472, 82010), (3658, 77840), (3892, 73160), (4130, 68944), (4309, 66080), (4340, 65608), (4448, 64015), (4720, 60326), (4865, 58528), (4960, 57407), (5560, 51212), (6608, 43090), (6944, 41005), (7316, 38920), (7784, 36580), (8201, 34720), (8260, 34472), (8618, 33040), (8680, 32804), (9145, 31136), (9440, 30163), (9730, 29264), (11120, 25606), (12803, 22240), (13216, 21545), (14632, 19460), (15568, 18290), (16402, 17360), (16520, 17236)]