66278240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^2$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 192743712

約数和(自身を除く): 126465472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 59, 68, 70, 80, 85, 112, 118, 119, 136, 140, 160, 170, 224, 236, 238, 272, 280, 295, 340, 413, 472, 476, 544, 560, 590, 595, 680, 826, 944, 952, 1003, 1120, 1180, 1190, 1360, 1652, 1888, 1904, 2006, 2065, 2360, 2380, 2720, 3304, 3481, 3808, 4012, 4130, 4720, 4760, 5015, 6608, 6962, 7021, 8024, 8260, 9440, 9520, 10030, 13216, 13924, 14042, 16048, 16520, 17405, 19040, 20060, 24367, 27848, 28084, 32096, 33040, 34810, 35105, 40120, 48734, 55696, 56168, 59177, 66080, 69620, 70210, 80240, 97468, 111392, 112336, 118354, 121835, 139240, 140420, 160480, 194936, 224672, 236708, 243670, 278480, 280840, 295885, 389872, 414239, 473416, 487340, 556960, 561680, 591770, 779744, 828478, 946832, 974680, 1123360, 1183540, 1656956, 1893664, 1949360, 2071195, 2367080, 3313912, 3898720, 4142390, 4734160, 6627824, 8284780, 9468320, 13255648, 16569560, 33139120, 66278240]

約数ペア:

[(1, 66278240), (2, 33139120), (4, 16569560), (5, 13255648), (7, 9468320), (8, 8284780), (10, 6627824), (14, 4734160), (16, 4142390), (17, 3898720), (20, 3313912), (28, 2367080), (32, 2071195), (34, 1949360), (35, 1893664), (40, 1656956), (56, 1183540), (59, 1123360), (68, 974680), (70, 946832), (80, 828478), (85, 779744), (112, 591770), (118, 561680), (119, 556960), (136, 487340), (140, 473416), (160, 414239), (170, 389872), (224, 295885), (236, 280840), (238, 278480), (272, 243670), (280, 236708), (295, 224672), (340, 194936), (413, 160480), (472, 140420), (476, 139240), (544, 121835), (560, 118354), (590, 112336), (595, 111392), (680, 97468), (826, 80240), (944, 70210), (952, 69620), (1003, 66080), (1120, 59177), (1180, 56168), (1190, 55696), (1360, 48734), (1652, 40120), (1888, 35105), (1904, 34810), (2006, 33040), (2065, 32096), (2360, 28084), (2380, 27848), (2720, 24367), (3304, 20060), (3481, 19040), (3808, 17405), (4012, 16520), (4130, 16048), (4720, 14042), (4760, 13924), (5015, 13216), (6608, 10030), (6962, 9520), (7021, 9440), (8024, 8260)]