31105920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:992

約数の個数: 128

約数和(自身を含む): 105092640

約数和(自身を除く): 73986720

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, 953, 960, 1020, 1088, 1360, 1632, 1906, 1920, 2040, 2176, 2720, 2859, 3264, 3812, 4080, 4765, 5440, 5718, 6528, 7624, 8160, 9530, 10880, 11436, 14295, 15248, 16201, 16320, 19060, 22872, 28590, 30496, 32402, 32640, 38120, 45744, 48603, 57180, 60992, 64804, 76240, 81005, 91488, 97206, 114360, 121984, 129608, 152480, 162010, 182976, 194412, 228720, 243015, 259216, 304960, 324020, 365952, 388824, 457440, 486030, 518432, 609920, 648040, 777648, 914880, 972060, 1036864, 1296080, 1555296, 1829760, 1944120, 2073728, 2592160, 3110592, 3888240, 5184320, 6221184, 7776480, 10368640, 15552960, 31105920]

約数ペア:

[(1, 31105920), (2, 15552960), (3, 10368640), (4, 7776480), (5, 6221184), (6, 5184320), (8, 3888240), (10, 3110592), (12, 2592160), (15, 2073728), (16, 1944120), (17, 1829760), (20, 1555296), (24, 1296080), (30, 1036864), (32, 972060), (34, 914880), (40, 777648), (48, 648040), (51, 609920), (60, 518432), (64, 486030), (68, 457440), (80, 388824), (85, 365952), (96, 324020), (102, 304960), (120, 259216), (128, 243015), (136, 228720), (160, 194412), (170, 182976), (192, 162010), (204, 152480), (240, 129608), (255, 121984), (272, 114360), (320, 97206), (340, 91488), (384, 81005), (408, 76240), (480, 64804), (510, 60992), (544, 57180), (640, 48603), (680, 45744), (816, 38120), (953, 32640), (960, 32402), (1020, 30496), (1088, 28590), (1360, 22872), (1632, 19060), (1906, 16320), (1920, 16201), (2040, 15248), (2176, 14295), (2720, 11436), (2859, 10880), (3264, 9530), (3812, 8160), (4080, 7624), (4765, 6528), (5440, 5718)]