390220800

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{5081}}^1$

素因数の和:5114

約数の個数: 132

約数和(自身を含む): 1289953896

約数和(自身を除く): 899733096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1536, 1600, 1920, 2400, 2560, 3072, 3200, 3840, 4800, 5081, 5120, 6400, 7680, 9600, 10162, 12800, 15243, 15360, 19200, 20324, 25405, 25600, 30486, 38400, 40648, 50810, 60972, 76215, 76800, 81296, 101620, 121944, 127025, 152430, 162592, 203240, 243888, 254050, 304860, 325184, 381075, 406480, 487776, 508100, 609720, 650368, 762150, 812960, 975552, 1016200, 1219440, 1300736, 1524300, 1625920, 1951104, 2032400, 2438880, 2601472, 3048600, 3251840, 3902208, 4064800, 4877760, 5202944, 6097200, 6503680, 7804416, 8129600, 9755520, 12194400, 13007360, 15608832, 16259200, 19511040, 24388800, 26014720, 32518400, 39022080, 48777600, 65036800, 78044160, 97555200, 130073600, 195110400, 390220800]

約数ペア:

[(1, 390220800), (2, 195110400), (3, 130073600), (4, 97555200), (5, 78044160), (6, 65036800), (8, 48777600), (10, 39022080), (12, 32518400), (15, 26014720), (16, 24388800), (20, 19511040), (24, 16259200), (25, 15608832), (30, 13007360), (32, 12194400), (40, 9755520), (48, 8129600), (50, 7804416), (60, 6503680), (64, 6097200), (75, 5202944), (80, 4877760), (96, 4064800), (100, 3902208), (120, 3251840), (128, 3048600), (150, 2601472), (160, 2438880), (192, 2032400), (200, 1951104), (240, 1625920), (256, 1524300), (300, 1300736), (320, 1219440), (384, 1016200), (400, 975552), (480, 812960), (512, 762150), (600, 650368), (640, 609720), (768, 508100), (800, 487776), (960, 406480), (1024, 381075), (1200, 325184), (1280, 304860), (1536, 254050), (1600, 243888), (1920, 203240), (2400, 162592), (2560, 152430), (3072, 127025), (3200, 121944), (3840, 101620), (4800, 81296), (5081, 76800), (5120, 76215), (6400, 60972), (7680, 50810), (9600, 40648), (10162, 38400), (12800, 30486), (15243, 25600), (15360, 25405), (19200, 20324)]