381750720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 224

約数和(自身を含む): 1320271680

約数和(自身を除く): 938520960

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, 130, 156, 160, 169, 181, 192, 195, 208, 240, 260, 312, 320, 338, 362, 390, 416, 480, 507, 520, 543, 624, 676, 724, 780, 832, 845, 905, 960, 1014, 1040, 1086, 1248, 1352, 1448, 1560, 1690, 1810, 2028, 2080, 2172, 2197, 2353, 2496, 2535, 2704, 2715, 2896, 3120, 3380, 3620, 4056, 4160, 4344, 4394, 4706, 5070, 5408, 5430, 5792, 6240, 6591, 6760, 7059, 7240, 8112, 8688, 8788, 9412, 10140, 10816, 10860, 10985, 11584, 11765, 12480, 13182, 13520, 14118, 14480, 16224, 17376, 17576, 18824, 20280, 21720, 21970, 23530, 26364, 27040, 28236, 28960, 30589, 32448, 32955, 34752, 35152, 35295, 37648, 40560, 43440, 43940, 47060, 52728, 54080, 56472, 57920, 61178, 65910, 70304, 70590, 75296, 81120, 86880, 87880, 91767, 94120, 105456, 112944, 122356, 131820, 140608, 141180, 150592, 152945, 162240, 173760, 175760, 183534, 188240, 210912, 225888, 244712, 263640, 282360, 305890, 351520, 367068, 376480, 397657, 421824, 451776, 458835, 489424, 527280, 564720, 611780, 703040, 734136, 752960, 795314, 917670, 978848, 1054560, 1129440, 1192971, 1223560, 1468272, 1590628, 1835340, 1957696, 1988285, 2109120, 2258880, 2385942, 2447120, 2936544, 3181256, 3670680, 3976570, 4771884, 4894240, 5873088, 5964855, 6362512, 7341360, 7953140, 9543768, 9788480, 11929710, 12725024, 14682720, 15906280, 19087536, 23859420, 25450048, 29365440, 31812560, 38175072, 47718840, 63625120, 76350144, 95437680, 127250240, 190875360, 381750720]

約数ペア:

[(1, 381750720), (2, 190875360), (3, 127250240), (4, 95437680), (5, 76350144), (6, 63625120), (8, 47718840), (10, 38175072), (12, 31812560), (13, 29365440), (15, 25450048), (16, 23859420), (20, 19087536), (24, 15906280), (26, 14682720), (30, 12725024), (32, 11929710), (39, 9788480), (40, 9543768), (48, 7953140), (52, 7341360), (60, 6362512), (64, 5964855), (65, 5873088), (78, 4894240), (80, 4771884), (96, 3976570), (104, 3670680), (120, 3181256), (130, 2936544), (156, 2447120), (160, 2385942), (169, 2258880), (181, 2109120), (192, 1988285), (195, 1957696), (208, 1835340), (240, 1590628), (260, 1468272), (312, 1223560), (320, 1192971), (338, 1129440), (362, 1054560), (390, 978848), (416, 917670), (480, 795314), (507, 752960), (520, 734136), (543, 703040), (624, 611780), (676, 564720), (724, 527280), (780, 489424), (832, 458835), (845, 451776), (905, 421824), (960, 397657), (1014, 376480), (1040, 367068), (1086, 351520), (1248, 305890), (1352, 282360), (1448, 263640), (1560, 244712), (1690, 225888), (1810, 210912), (2028, 188240), (2080, 183534), (2172, 175760), (2197, 173760), (2353, 162240), (2496, 152945), (2535, 150592), (2704, 141180), (2715, 140608), (2896, 131820), (3120, 122356), (3380, 112944), (3620, 105456), (4056, 94120), (4160, 91767), (4344, 87880), (4394, 86880), (4706, 81120), (5070, 75296), (5408, 70590), (5430, 70304), (5792, 65910), (6240, 61178), (6591, 57920), (6760, 56472), (7059, 54080), (7240, 52728), (8112, 47060), (8688, 43940), (8788, 43440), (9412, 40560), (10140, 37648), (10816, 35295), (10860, 35152), (10985, 34752), (11584, 32955), (11765, 32448), (12480, 30589), (13182, 28960), (13520, 28236), (14118, 27040), (14480, 26364), (16224, 23530), (17376, 21970), (17576, 21720), (18824, 20280)]