393918720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{607}}^1$

素因数の和:657

約数の個数: 216

約数和(自身を含む): 1364541696

約数和(自身を除く): 970622976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 256, 260, 312, 320, 338, 384, 390, 416, 480, 507, 520, 607, 624, 640, 676, 768, 780, 832, 845, 960, 1014, 1040, 1214, 1248, 1280, 1352, 1560, 1664, 1690, 1821, 1920, 2028, 2080, 2428, 2496, 2535, 2704, 3035, 3120, 3328, 3380, 3642, 3840, 4056, 4160, 4856, 4992, 5070, 5408, 6070, 6240, 6760, 7284, 7891, 8112, 8320, 9105, 9712, 9984, 10140, 10816, 12140, 12480, 13520, 14568, 15782, 16224, 16640, 18210, 19424, 20280, 21632, 23673, 24280, 24960, 27040, 29136, 31564, 32448, 36420, 38848, 39455, 40560, 43264, 47346, 48560, 49920, 54080, 58272, 63128, 64896, 72840, 77696, 78910, 81120, 94692, 97120, 102583, 108160, 116544, 118365, 126256, 129792, 145680, 155392, 157820, 162240, 189384, 194240, 205166, 216320, 233088, 236730, 252512, 291360, 307749, 315640, 324480, 378768, 388480, 410332, 466176, 473460, 505024, 512915, 582720, 615498, 631280, 648960, 757536, 776960, 820664, 946920, 1010048, 1025830, 1165440, 1230996, 1262560, 1515072, 1538745, 1641328, 1893840, 2020096, 2051660, 2330880, 2461992, 2525120, 3030144, 3077490, 3282656, 3787680, 4103320, 4923984, 5050240, 6060288, 6154980, 6565312, 7575360, 8206640, 9847968, 10100480, 12309960, 13130624, 15150720, 16413280, 19695936, 24619920, 26261248, 30301440, 32826560, 39391872, 49239840, 65653120, 78783744, 98479680, 131306240, 196959360, 393918720]

約数ペア:

[(1, 393918720), (2, 196959360), (3, 131306240), (4, 98479680), (5, 78783744), (6, 65653120), (8, 49239840), (10, 39391872), (12, 32826560), (13, 30301440), (15, 26261248), (16, 24619920), (20, 19695936), (24, 16413280), (26, 15150720), (30, 13130624), (32, 12309960), (39, 10100480), (40, 9847968), (48, 8206640), (52, 7575360), (60, 6565312), (64, 6154980), (65, 6060288), (78, 5050240), (80, 4923984), (96, 4103320), (104, 3787680), (120, 3282656), (128, 3077490), (130, 3030144), (156, 2525120), (160, 2461992), (169, 2330880), (192, 2051660), (195, 2020096), (208, 1893840), (240, 1641328), (256, 1538745), (260, 1515072), (312, 1262560), (320, 1230996), (338, 1165440), (384, 1025830), (390, 1010048), (416, 946920), (480, 820664), (507, 776960), (520, 757536), (607, 648960), (624, 631280), (640, 615498), (676, 582720), (768, 512915), (780, 505024), (832, 473460), (845, 466176), (960, 410332), (1014, 388480), (1040, 378768), (1214, 324480), (1248, 315640), (1280, 307749), (1352, 291360), (1560, 252512), (1664, 236730), (1690, 233088), (1821, 216320), (1920, 205166), (2028, 194240), (2080, 189384), (2428, 162240), (2496, 157820), (2535, 155392), (2704, 145680), (3035, 129792), (3120, 126256), (3328, 118365), (3380, 116544), (3642, 108160), (3840, 102583), (4056, 97120), (4160, 94692), (4856, 81120), (4992, 78910), (5070, 77696), (5408, 72840), (6070, 64896), (6240, 63128), (6760, 58272), (7284, 54080), (7891, 49920), (8112, 48560), (8320, 47346), (9105, 43264), (9712, 40560), (9984, 39455), (10140, 38848), (10816, 36420), (12140, 32448), (12480, 31564), (13520, 29136), (14568, 27040), (15782, 24960), (16224, 24280), (16640, 23673), (18210, 21632), (19424, 20280)]