51389520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 198237312

約数和(自身を除く): 146847792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 169, 181, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 338, 362, 364, 390, 420, 455, 507, 520, 543, 546, 560, 624, 676, 724, 728, 780, 840, 845, 905, 910, 1014, 1040, 1086, 1092, 1183, 1267, 1352, 1365, 1448, 1456, 1560, 1680, 1690, 1810, 1820, 2028, 2172, 2184, 2353, 2366, 2534, 2535, 2704, 2715, 2730, 2896, 3120, 3380, 3549, 3620, 3640, 3801, 4056, 4344, 4368, 4706, 4732, 5068, 5070, 5430, 5460, 5915, 6335, 6760, 7059, 7098, 7240, 7280, 7602, 8112, 8688, 9412, 9464, 10136, 10140, 10860, 10920, 11765, 11830, 12670, 13520, 14118, 14196, 14480, 15204, 16471, 17745, 18824, 18928, 19005, 20272, 20280, 21720, 21840, 23530, 23660, 25340, 28236, 28392, 30408, 30589, 32942, 35295, 35490, 37648, 38010, 40560, 43440, 47060, 47320, 49413, 50680, 56472, 56784, 60816, 61178, 65884, 70590, 70980, 76020, 82355, 91767, 94120, 94640, 98826, 101360, 112944, 122356, 131768, 141180, 141960, 152040, 152945, 164710, 183534, 188240, 197652, 214123, 244712, 247065, 263536, 282360, 283920, 304080, 305890, 329420, 367068, 395304, 428246, 458835, 489424, 494130, 564720, 611780, 642369, 658840, 734136, 790608, 856492, 917670, 988260, 1070615, 1223560, 1284738, 1317680, 1468272, 1712984, 1835340, 1976520, 2141230, 2447120, 2569476, 3211845, 3425968, 3670680, 3953040, 4282460, 5138952, 6423690, 7341360, 8564920, 10277904, 12847380, 17129840, 25694760, 51389520]

約数ペア:

[(1, 51389520), (2, 25694760), (3, 17129840), (4, 12847380), (5, 10277904), (6, 8564920), (7, 7341360), (8, 6423690), (10, 5138952), (12, 4282460), (13, 3953040), (14, 3670680), (15, 3425968), (16, 3211845), (20, 2569476), (21, 2447120), (24, 2141230), (26, 1976520), (28, 1835340), (30, 1712984), (35, 1468272), (39, 1317680), (40, 1284738), (42, 1223560), (48, 1070615), (52, 988260), (56, 917670), (60, 856492), (65, 790608), (70, 734136), (78, 658840), (80, 642369), (84, 611780), (91, 564720), (104, 494130), (105, 489424), (112, 458835), (120, 428246), (130, 395304), (140, 367068), (156, 329420), (168, 305890), (169, 304080), (181, 283920), (182, 282360), (195, 263536), (208, 247065), (210, 244712), (240, 214123), (260, 197652), (273, 188240), (280, 183534), (312, 164710), (336, 152945), (338, 152040), (362, 141960), (364, 141180), (390, 131768), (420, 122356), (455, 112944), (507, 101360), (520, 98826), (543, 94640), (546, 94120), (560, 91767), (624, 82355), (676, 76020), (724, 70980), (728, 70590), (780, 65884), (840, 61178), (845, 60816), (905, 56784), (910, 56472), (1014, 50680), (1040, 49413), (1086, 47320), (1092, 47060), (1183, 43440), (1267, 40560), (1352, 38010), (1365, 37648), (1448, 35490), (1456, 35295), (1560, 32942), (1680, 30589), (1690, 30408), (1810, 28392), (1820, 28236), (2028, 25340), (2172, 23660), (2184, 23530), (2353, 21840), (2366, 21720), (2534, 20280), (2535, 20272), (2704, 19005), (2715, 18928), (2730, 18824), (2896, 17745), (3120, 16471), (3380, 15204), (3549, 14480), (3620, 14196), (3640, 14118), (3801, 13520), (4056, 12670), (4344, 11830), (4368, 11765), (4706, 10920), (4732, 10860), (5068, 10140), (5070, 10136), (5430, 9464), (5460, 9412), (5915, 8688), (6335, 8112), (6760, 7602), (7059, 7280), (7098, 7240)]