247971360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:856

約数の個数: 288

約数和(自身を含む): 979739712

約数和(自身を除く): 731768352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 416, 420, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 728, 735, 780, 784, 811, 840, 910, 980, 1040, 1092, 1120, 1176, 1248, 1274, 1365, 1456, 1470, 1560, 1568, 1622, 1680, 1820, 1911, 1960, 2080, 2184, 2352, 2433, 2548, 2730, 2912, 2940, 3120, 3185, 3244, 3360, 3640, 3822, 3920, 4055, 4368, 4704, 4866, 5096, 5460, 5677, 5880, 6240, 6370, 6488, 7280, 7644, 7840, 8110, 8736, 9555, 9732, 10192, 10543, 10920, 11354, 11760, 12165, 12740, 12976, 14560, 15288, 16220, 17031, 19110, 19464, 20384, 21086, 21840, 22708, 23520, 24330, 25480, 25952, 28385, 30576, 31629, 32440, 34062, 38220, 38928, 39739, 42172, 43680, 45416, 48660, 50960, 52715, 56770, 61152, 63258, 64880, 68124, 73801, 76440, 77856, 79478, 84344, 85155, 90832, 97320, 101920, 105430, 113540, 119217, 126516, 129760, 136248, 147602, 152880, 158145, 158956, 168688, 170310, 181664, 194640, 198695, 210860, 221403, 227080, 238434, 253032, 272496, 295204, 305760, 316290, 317912, 337376, 340620, 369005, 389280, 397390, 421720, 442806, 454160, 476868, 506064, 516607, 544992, 590408, 596085, 632580, 635824, 681240, 738010, 794780, 843440, 885612, 908320, 953736, 1012128, 1033214, 1107015, 1180816, 1192170, 1265160, 1271648, 1362480, 1476020, 1549821, 1589560, 1686880, 1771224, 1907472, 2066428, 2214030, 2361632, 2384340, 2530320, 2583035, 2724960, 2952040, 3099642, 3179120, 3542448, 3814944, 4132856, 4428060, 4768680, 5060640, 5166070, 5904080, 6199284, 6358240, 7084896, 7749105, 8265712, 8856120, 9537360, 10332140, 11808160, 12398568, 15498210, 16531424, 17712240, 19074720, 20664280, 24797136, 30996420, 35424480, 41328560, 49594272, 61992840, 82657120, 123985680, 247971360]

約数ペア:

[(1, 247971360), (2, 123985680), (3, 82657120), (4, 61992840), (5, 49594272), (6, 41328560), (7, 35424480), (8, 30996420), (10, 24797136), (12, 20664280), (13, 19074720), (14, 17712240), (15, 16531424), (16, 15498210), (20, 12398568), (21, 11808160), (24, 10332140), (26, 9537360), (28, 8856120), (30, 8265712), (32, 7749105), (35, 7084896), (39, 6358240), (40, 6199284), (42, 5904080), (48, 5166070), (49, 5060640), (52, 4768680), (56, 4428060), (60, 4132856), (65, 3814944), (70, 3542448), (78, 3179120), (80, 3099642), (84, 2952040), (91, 2724960), (96, 2583035), (98, 2530320), (104, 2384340), (105, 2361632), (112, 2214030), (120, 2066428), (130, 1907472), (140, 1771224), (147, 1686880), (156, 1589560), (160, 1549821), (168, 1476020), (182, 1362480), (195, 1271648), (196, 1265160), (208, 1192170), (210, 1180816), (224, 1107015), (240, 1033214), (245, 1012128), (260, 953736), (273, 908320), (280, 885612), (294, 843440), (312, 794780), (336, 738010), (364, 681240), (390, 635824), (392, 632580), (416, 596085), (420, 590408), (455, 544992), (480, 516607), (490, 506064), (520, 476868), (546, 454160), (560, 442806), (588, 421720), (624, 397390), (637, 389280), (672, 369005), (728, 340620), (735, 337376), (780, 317912), (784, 316290), (811, 305760), (840, 295204), (910, 272496), (980, 253032), (1040, 238434), (1092, 227080), (1120, 221403), (1176, 210860), (1248, 198695), (1274, 194640), (1365, 181664), (1456, 170310), (1470, 168688), (1560, 158956), (1568, 158145), (1622, 152880), (1680, 147602), (1820, 136248), (1911, 129760), (1960, 126516), (2080, 119217), (2184, 113540), (2352, 105430), (2433, 101920), (2548, 97320), (2730, 90832), (2912, 85155), (2940, 84344), (3120, 79478), (3185, 77856), (3244, 76440), (3360, 73801), (3640, 68124), (3822, 64880), (3920, 63258), (4055, 61152), (4368, 56770), (4704, 52715), (4866, 50960), (5096, 48660), (5460, 45416), (5677, 43680), (5880, 42172), (6240, 39739), (6370, 38928), (6488, 38220), (7280, 34062), (7644, 32440), (7840, 31629), (8110, 30576), (8736, 28385), (9555, 25952), (9732, 25480), (10192, 24330), (10543, 23520), (10920, 22708), (11354, 21840), (11760, 21086), (12165, 20384), (12740, 19464), (12976, 19110), (14560, 17031), (15288, 16220)]