1635840

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{71}}^1$

素因数の和:100

約数の個数: 120

約数和(自身を含む): 5745168

約数和(自身を除く): 4109328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 256, 284, 288, 320, 355, 360, 384, 426, 480, 512, 568, 576, 639, 640, 710, 720, 768, 852, 960, 1065, 1136, 1152, 1278, 1280, 1420, 1440, 1536, 1704, 1920, 2130, 2272, 2304, 2556, 2560, 2840, 2880, 3195, 3408, 3840, 4260, 4544, 4608, 5112, 5680, 5760, 6390, 6816, 7680, 8520, 9088, 10224, 11360, 11520, 12780, 13632, 17040, 18176, 20448, 22720, 23040, 25560, 27264, 34080, 36352, 40896, 45440, 51120, 54528, 68160, 81792, 90880, 102240, 109056, 136320, 163584, 181760, 204480, 272640, 327168, 408960, 545280, 817920, 1635840]

約数ペア:

[(1, 1635840), (2, 817920), (3, 545280), (4, 408960), (5, 327168), (6, 272640), (8, 204480), (9, 181760), (10, 163584), (12, 136320), (15, 109056), (16, 102240), (18, 90880), (20, 81792), (24, 68160), (30, 54528), (32, 51120), (36, 45440), (40, 40896), (45, 36352), (48, 34080), (60, 27264), (64, 25560), (71, 23040), (72, 22720), (80, 20448), (90, 18176), (96, 17040), (120, 13632), (128, 12780), (142, 11520), (144, 11360), (160, 10224), (180, 9088), (192, 8520), (213, 7680), (240, 6816), (256, 6390), (284, 5760), (288, 5680), (320, 5112), (355, 4608), (360, 4544), (384, 4260), (426, 3840), (480, 3408), (512, 3195), (568, 2880), (576, 2840), (639, 2560), (640, 2556), (710, 2304), (720, 2272), (768, 2130), (852, 1920), (960, 1704), (1065, 1536), (1136, 1440), (1152, 1420), (1278, 1280)]