488748780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10993}}^1$

素因数の和:11040

約数の個数: 144

約数和(自身を含む): 1680762720

約数和(自身を除く): 1192013940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 10993, 11115, 14820, 21986, 22230, 32979, 43972, 44460, 54965, 65958, 98937, 109930, 131916, 142909, 164895, 197874, 208867, 219860, 285818, 329790, 395748, 417734, 428727, 494685, 571636, 626601, 659580, 714545, 835468, 857454, 989370, 1044335, 1253202, 1286181, 1429090, 1714908, 1879803, 1978740, 2088670, 2143635, 2506404, 2572362, 2715271, 2858180, 3133005, 3759606, 4177340, 4287270, 5144724, 5430542, 6266010, 6430905, 7519212, 8145813, 8574540, 9399015, 10861084, 12532020, 12861810, 13576355, 16291626, 18798030, 24437439, 25723620, 27152710, 32583252, 37596060, 40729065, 48874878, 54305420, 81458130, 97749756, 122187195, 162916260, 244374390, 488748780]

約数ペア:

[(1, 488748780), (2, 244374390), (3, 162916260), (4, 122187195), (5, 97749756), (6, 81458130), (9, 54305420), (10, 48874878), (12, 40729065), (13, 37596060), (15, 32583252), (18, 27152710), (19, 25723620), (20, 24437439), (26, 18798030), (30, 16291626), (36, 13576355), (38, 12861810), (39, 12532020), (45, 10861084), (52, 9399015), (57, 8574540), (60, 8145813), (65, 7519212), (76, 6430905), (78, 6266010), (90, 5430542), (95, 5144724), (114, 4287270), (117, 4177340), (130, 3759606), (156, 3133005), (171, 2858180), (180, 2715271), (190, 2572362), (195, 2506404), (228, 2143635), (234, 2088670), (247, 1978740), (260, 1879803), (285, 1714908), (342, 1429090), (380, 1286181), (390, 1253202), (468, 1044335), (494, 989370), (570, 857454), (585, 835468), (684, 714545), (741, 659580), (780, 626601), (855, 571636), (988, 494685), (1140, 428727), (1170, 417734), (1235, 395748), (1482, 329790), (1710, 285818), (2223, 219860), (2340, 208867), (2470, 197874), (2964, 164895), (3420, 142909), (3705, 131916), (4446, 109930), (4940, 98937), (7410, 65958), (8892, 54965), (10993, 44460), (11115, 43972), (14820, 32979), (21986, 22230)]