About the Number

380106720

380106719 ← → 380106721

2進数表記:10110101001111111011111100000

漢数字表記:三億八千十万六千七百二十

素因数分解:

2 5 × 3 2 × 5 1 × 7 2 × 5387 1

素因数の和:5422
約数の個数: 216
約数和(自身を含む): 1509168024
約数和(自身を除く): 1129061304

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5387, 5880, 7056, 7840, 8820, 10080, 10774, 11760, 14112, 16161, 17640, 21548, 23520, 26935, 32322, 35280, 37709, 43096, 48483, 53870, 64644, 70560, 75418, 80805, 86192, 96966, 107740, 113127, 129288, 150836, 161610, 172384, 188545, 193932, 215480, 226254, 242415, 258576, 263963, 301672, 323220, 339381, 377090, 387864, 430960, 452508, 484830, 517152, 527926, 565635, 603344, 646440, 678762, 754180, 775728, 791889, 861920, 905016, 969660, 1055852, 1131270, 1206688, 1292880, 1319815, 1357524, 1508360, 1551456, 1583778, 1696905, 1810032, 1939320, 2111704, 2262540, 2375667, 2585760, 2639630, 2715048, 3016720, 3167556, 3393810, 3620064, 3878640, 3959445, 4223408, 4525080, 4751334, 5279260, 5430096, 6033440, 6335112, 6787620, 7757280, 7918890, 8446816, 9050160, 9502668, 10558520, 10860192, 11878335, 12670224, 13575240, 15837780, 18100320, 19005336, 21117040, 23756670, 25340448, 27150480, 31675560, 38010672, 42234080, 47513340, 54300960, 63351120, 76021344, 95026680, 126702240, 190053360, 380106720]

約数ペア:
[(1, 380106720), (2, 190053360), (3, 126702240), (4, 95026680), (5, 76021344), (6, 63351120), (7, 54300960), (8, 47513340), (9, 42234080), (10, 38010672), (12, 31675560), (14, 27150480), (15, 25340448), (16, 23756670), (18, 21117040), (20, 19005336), (21, 18100320), (24, 15837780), (28, 13575240), (30, 12670224), (32, 11878335), (35, 10860192), (36, 10558520), (40, 9502668), (42, 9050160), (45, 8446816), (48, 7918890), (49, 7757280), (56, 6787620), (60, 6335112), (63, 6033440), (70, 5430096), (72, 5279260), (80, 4751334), (84, 4525080), (90, 4223408), (96, 3959445), (98, 3878640), (105, 3620064), (112, 3393810), (120, 3167556), (126, 3016720), (140, 2715048), (144, 2639630), (147, 2585760), (160, 2375667), (168, 2262540), (180, 2111704), (196, 1939320), (210, 1810032), (224, 1696905), (240, 1583778), (245, 1551456), (252, 1508360), (280, 1357524), (288, 1319815), (294, 1292880), (315, 1206688), (336, 1131270), (360, 1055852), (392, 969660), (420, 905016), (441, 861920), (480, 791889), (490, 775728), (504, 754180), (560, 678762), (588, 646440), (630, 603344), (672, 565635), (720, 527926), (735, 517152), (784, 484830), (840, 452508), (882, 430960), (980, 387864), (1008, 377090), (1120, 339381), (1176, 323220), (1260, 301672), (1440, 263963), (1470, 258576), (1568, 242415), (1680, 226254), (1764, 215480), (1960, 193932), (2016, 188545), (2205, 172384), (2352, 161610), (2520, 150836), (2940, 129288), (3360, 113127), (3528, 107740), (3920, 96966), (4410, 86192), (4704, 80805), (5040, 75418), (5387, 70560), (5880, 64644), (7056, 53870), (7840, 48483), (8820, 43096), (10080, 37709), (10774, 35280), (11760, 32322), (14112, 26935), (16161, 23520), (17640, 21548)]

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