231608520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 288

約数和(自身を含む): 893201400

約数和(自身を除く): 661592880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 121, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 242, 260, 264, 286, 312, 330, 360, 363, 390, 396, 409, 429, 440, 468, 484, 495, 520, 572, 585, 605, 660, 715, 726, 780, 792, 818, 858, 936, 968, 990, 1089, 1144, 1170, 1210, 1227, 1287, 1320, 1430, 1452, 1560, 1573, 1636, 1716, 1815, 1980, 2045, 2145, 2178, 2340, 2420, 2454, 2574, 2860, 2904, 3146, 3272, 3432, 3630, 3681, 3960, 4090, 4290, 4356, 4499, 4680, 4719, 4840, 4908, 5148, 5317, 5445, 5720, 6135, 6292, 6435, 7260, 7362, 7865, 8180, 8580, 8712, 8998, 9438, 9816, 10296, 10634, 10890, 12270, 12584, 12870, 13497, 14157, 14520, 14724, 15730, 15951, 16360, 17160, 17996, 18405, 18876, 21268, 21780, 22495, 23595, 24540, 25740, 26585, 26994, 28314, 29448, 31460, 31902, 35992, 36810, 37752, 40491, 42536, 43560, 44990, 47190, 47853, 49080, 49489, 51480, 53170, 53988, 56628, 58487, 62920, 63804, 67485, 70785, 73620, 79755, 80982, 89980, 94380, 95706, 98978, 106340, 107976, 113256, 116974, 127608, 134970, 141570, 147240, 148467, 159510, 161964, 175461, 179960, 188760, 191412, 197956, 202455, 212680, 233948, 239265, 247445, 269940, 283140, 292435, 296934, 319020, 323928, 350922, 382824, 395912, 404910, 445401, 467896, 478530, 494890, 526383, 539880, 566280, 584870, 593868, 638040, 643357, 701844, 742335, 809820, 877305, 890802, 957060, 989780, 1052766, 1169740, 1187736, 1286714, 1403688, 1484670, 1619640, 1754610, 1781604, 1914120, 1930071, 1979560, 2105532, 2227005, 2339480, 2573428, 2631915, 2969340, 3216785, 3509220, 3563208, 3860142, 4211064, 4454010, 5146856, 5263830, 5790213, 5938680, 6433570, 7018440, 7720284, 8908020, 9650355, 10527660, 11580426, 12867140, 15440568, 17816040, 19300710, 21055320, 23160852, 25734280, 28951065, 38601420, 46321704, 57902130, 77202840, 115804260, 231608520]

約数ペア:

[(1, 231608520), (2, 115804260), (3, 77202840), (4, 57902130), (5, 46321704), (6, 38601420), (8, 28951065), (9, 25734280), (10, 23160852), (11, 21055320), (12, 19300710), (13, 17816040), (15, 15440568), (18, 12867140), (20, 11580426), (22, 10527660), (24, 9650355), (26, 8908020), (30, 7720284), (33, 7018440), (36, 6433570), (39, 5938680), (40, 5790213), (44, 5263830), (45, 5146856), (52, 4454010), (55, 4211064), (60, 3860142), (65, 3563208), (66, 3509220), (72, 3216785), (78, 2969340), (88, 2631915), (90, 2573428), (99, 2339480), (104, 2227005), (110, 2105532), (117, 1979560), (120, 1930071), (121, 1914120), (130, 1781604), (132, 1754610), (143, 1619640), (156, 1484670), (165, 1403688), (180, 1286714), (195, 1187736), (198, 1169740), (220, 1052766), (234, 989780), (242, 957060), (260, 890802), (264, 877305), (286, 809820), (312, 742335), (330, 701844), (360, 643357), (363, 638040), (390, 593868), (396, 584870), (409, 566280), (429, 539880), (440, 526383), (468, 494890), (484, 478530), (495, 467896), (520, 445401), (572, 404910), (585, 395912), (605, 382824), (660, 350922), (715, 323928), (726, 319020), (780, 296934), (792, 292435), (818, 283140), (858, 269940), (936, 247445), (968, 239265), (990, 233948), (1089, 212680), (1144, 202455), (1170, 197956), (1210, 191412), (1227, 188760), (1287, 179960), (1320, 175461), (1430, 161964), (1452, 159510), (1560, 148467), (1573, 147240), (1636, 141570), (1716, 134970), (1815, 127608), (1980, 116974), (2045, 113256), (2145, 107976), (2178, 106340), (2340, 98978), (2420, 95706), (2454, 94380), (2574, 89980), (2860, 80982), (2904, 79755), (3146, 73620), (3272, 70785), (3432, 67485), (3630, 63804), (3681, 62920), (3960, 58487), (4090, 56628), (4290, 53988), (4356, 53170), (4499, 51480), (4680, 49489), (4719, 49080), (4840, 47853), (4908, 47190), (5148, 44990), (5317, 43560), (5445, 42536), (5720, 40491), (6135, 37752), (6292, 36810), (6435, 35992), (7260, 31902), (7362, 31460), (7865, 29448), (8180, 28314), (8580, 26994), (8712, 26585), (8998, 25740), (9438, 24540), (9816, 23595), (10296, 22495), (10634, 21780), (10890, 21268), (12270, 18876), (12584, 18405), (12870, 17996), (13497, 17160), (14157, 16360), (14520, 15951), (14724, 15730)]