278125440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8521}}^1$

素因数の和:8560

約数の個数: 128

約数和(自身を含む): 938783520

約数和(自身を除く): 660658080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 8521, 10880, 16320, 17042, 25563, 32640, 34084, 42605, 51126, 68168, 85210, 102252, 127815, 136336, 144857, 170420, 204504, 255630, 272672, 289714, 340840, 409008, 434571, 511260, 545344, 579428, 681680, 724285, 818016, 869142, 1022520, 1090688, 1158856, 1363360, 1448570, 1636032, 1738284, 2045040, 2172855, 2317712, 2726720, 2897140, 3272064, 3476568, 4090080, 4345710, 4635424, 5453440, 5794280, 6953136, 8180160, 8691420, 9270848, 11588560, 13906272, 16360320, 17382840, 18541696, 23177120, 27812544, 34765680, 46354240, 55625088, 69531360, 92708480, 139062720, 278125440]

約数ペア:

[(1, 278125440), (2, 139062720), (3, 92708480), (4, 69531360), (5, 55625088), (6, 46354240), (8, 34765680), (10, 27812544), (12, 23177120), (15, 18541696), (16, 17382840), (17, 16360320), (20, 13906272), (24, 11588560), (30, 9270848), (32, 8691420), (34, 8180160), (40, 6953136), (48, 5794280), (51, 5453440), (60, 4635424), (64, 4345710), (68, 4090080), (80, 3476568), (85, 3272064), (96, 2897140), (102, 2726720), (120, 2317712), (128, 2172855), (136, 2045040), (160, 1738284), (170, 1636032), (192, 1448570), (204, 1363360), (240, 1158856), (255, 1090688), (272, 1022520), (320, 869142), (340, 818016), (384, 724285), (408, 681680), (480, 579428), (510, 545344), (544, 511260), (640, 434571), (680, 409008), (816, 340840), (960, 289714), (1020, 272672), (1088, 255630), (1360, 204504), (1632, 170420), (1920, 144857), (2040, 136336), (2176, 127815), (2720, 102252), (3264, 85210), (4080, 68168), (5440, 51126), (6528, 42605), (8160, 34084), (8521, 32640), (10880, 25563), (16320, 17042)]