286988520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:716

約数の個数: 256

約数和(自身を含む): 1087188480

約数和(自身を除く): 800199960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 41, 42, 52, 56, 60, 65, 70, 78, 82, 84, 91, 104, 105, 120, 123, 130, 140, 156, 164, 168, 182, 195, 205, 210, 246, 260, 273, 280, 287, 312, 328, 364, 390, 410, 420, 455, 492, 520, 533, 546, 574, 615, 641, 728, 780, 820, 840, 861, 910, 984, 1066, 1092, 1148, 1230, 1282, 1365, 1435, 1560, 1599, 1640, 1722, 1820, 1923, 2132, 2184, 2296, 2460, 2564, 2665, 2730, 2870, 3198, 3205, 3444, 3640, 3731, 3846, 4264, 4305, 4487, 4920, 5128, 5330, 5460, 5740, 6396, 6410, 6888, 7462, 7692, 7995, 8333, 8610, 8974, 9615, 10660, 10920, 11193, 11480, 12792, 12820, 13461, 14924, 15384, 15990, 16666, 17220, 17948, 18655, 19230, 21320, 22386, 22435, 24999, 25640, 26281, 26922, 29848, 31980, 33332, 34440, 35896, 37310, 38460, 41665, 44772, 44870, 49998, 52562, 53844, 55965, 58331, 63960, 66664, 67305, 74620, 76920, 78843, 83330, 89544, 89740, 99996, 105124, 107688, 111930, 116662, 124995, 131405, 134610, 149240, 157686, 166660, 174993, 179480, 183967, 199992, 210248, 223860, 233324, 249990, 262810, 269220, 291655, 315372, 333320, 341653, 349986, 367934, 394215, 447720, 466648, 499980, 525620, 538440, 551901, 583310, 630744, 683306, 699972, 735868, 788430, 874965, 919835, 999960, 1024959, 1051240, 1103802, 1166620, 1366612, 1399944, 1471736, 1576860, 1708265, 1749930, 1839670, 2049918, 2207604, 2333240, 2391571, 2733224, 2759505, 3153720, 3416530, 3499860, 3679340, 4099836, 4415208, 4783142, 5124795, 5519010, 6833060, 6999720, 7174713, 7358680, 8199672, 9566284, 10249590, 11038020, 11957855, 13666120, 14349426, 19132568, 20499180, 22076040, 23915710, 28698852, 35873565, 40998360, 47831420, 57397704, 71747130, 95662840, 143494260, 286988520]

約数ペア:

[(1, 286988520), (2, 143494260), (3, 95662840), (4, 71747130), (5, 57397704), (6, 47831420), (7, 40998360), (8, 35873565), (10, 28698852), (12, 23915710), (13, 22076040), (14, 20499180), (15, 19132568), (20, 14349426), (21, 13666120), (24, 11957855), (26, 11038020), (28, 10249590), (30, 9566284), (35, 8199672), (39, 7358680), (40, 7174713), (41, 6999720), (42, 6833060), (52, 5519010), (56, 5124795), (60, 4783142), (65, 4415208), (70, 4099836), (78, 3679340), (82, 3499860), (84, 3416530), (91, 3153720), (104, 2759505), (105, 2733224), (120, 2391571), (123, 2333240), (130, 2207604), (140, 2049918), (156, 1839670), (164, 1749930), (168, 1708265), (182, 1576860), (195, 1471736), (205, 1399944), (210, 1366612), (246, 1166620), (260, 1103802), (273, 1051240), (280, 1024959), (287, 999960), (312, 919835), (328, 874965), (364, 788430), (390, 735868), (410, 699972), (420, 683306), (455, 630744), (492, 583310), (520, 551901), (533, 538440), (546, 525620), (574, 499980), (615, 466648), (641, 447720), (728, 394215), (780, 367934), (820, 349986), (840, 341653), (861, 333320), (910, 315372), (984, 291655), (1066, 269220), (1092, 262810), (1148, 249990), (1230, 233324), (1282, 223860), (1365, 210248), (1435, 199992), (1560, 183967), (1599, 179480), (1640, 174993), (1722, 166660), (1820, 157686), (1923, 149240), (2132, 134610), (2184, 131405), (2296, 124995), (2460, 116662), (2564, 111930), (2665, 107688), (2730, 105124), (2870, 99996), (3198, 89740), (3205, 89544), (3444, 83330), (3640, 78843), (3731, 76920), (3846, 74620), (4264, 67305), (4305, 66664), (4487, 63960), (4920, 58331), (5128, 55965), (5330, 53844), (5460, 52562), (5740, 49998), (6396, 44870), (6410, 44772), (6888, 41665), (7462, 38460), (7692, 37310), (7995, 35896), (8333, 34440), (8610, 33332), (8974, 31980), (9615, 29848), (10660, 26922), (10920, 26281), (11193, 25640), (11480, 24999), (12792, 22435), (12820, 22386), (13461, 21320), (14924, 19230), (15384, 18655), (15990, 17948), (16666, 17220)]