247678560

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 240

約数和(自身を含む): 905612400

約数和(自身を除く): 657933840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 162, 174, 180, 216, 232, 240, 261, 270, 288, 290, 324, 348, 360, 405, 432, 435, 464, 480, 522, 540, 580, 648, 659, 696, 720, 783, 810, 864, 870, 928, 1044, 1080, 1160, 1296, 1305, 1318, 1392, 1440, 1566, 1620, 1740, 1977, 2088, 2160, 2320, 2349, 2592, 2610, 2636, 2784, 3132, 3240, 3295, 3480, 3915, 3954, 4176, 4320, 4640, 4698, 5220, 5272, 5931, 6264, 6480, 6590, 6960, 7830, 7908, 8352, 9396, 9885, 10440, 10544, 11745, 11862, 12528, 12960, 13180, 13920, 15660, 15816, 17793, 18792, 19111, 19770, 20880, 21088, 23490, 23724, 25056, 26360, 29655, 31320, 31632, 35586, 37584, 38222, 39540, 41760, 46980, 47448, 52720, 53379, 57333, 59310, 62640, 63264, 71172, 75168, 76444, 79080, 88965, 93960, 94896, 95555, 105440, 106758, 114666, 118620, 125280, 142344, 152888, 158160, 171999, 177930, 187920, 189792, 191110, 213516, 229332, 237240, 266895, 284688, 286665, 305776, 316320, 343998, 355860, 375840, 382220, 427032, 458664, 474480, 515997, 533790, 569376, 573330, 611552, 687996, 711720, 764440, 854064, 859995, 917328, 948960, 1031994, 1067580, 1146660, 1375992, 1423440, 1528880, 1547991, 1708128, 1719990, 1834656, 2063988, 2135160, 2293320, 2579985, 2751984, 2846880, 3057760, 3095982, 3439980, 4127976, 4270320, 4586640, 5159970, 5503968, 6191964, 6879960, 7739955, 8255952, 8540640, 9173280, 10319940, 12383928, 13759920, 15479910, 16511904, 20639880, 24767856, 27519840, 30959820, 41279760, 49535712, 61919640, 82559520, 123839280, 247678560]

約数ペア:

[(1, 247678560), (2, 123839280), (3, 82559520), (4, 61919640), (5, 49535712), (6, 41279760), (8, 30959820), (9, 27519840), (10, 24767856), (12, 20639880), (15, 16511904), (16, 15479910), (18, 13759920), (20, 12383928), (24, 10319940), (27, 9173280), (29, 8540640), (30, 8255952), (32, 7739955), (36, 6879960), (40, 6191964), (45, 5503968), (48, 5159970), (54, 4586640), (58, 4270320), (60, 4127976), (72, 3439980), (80, 3095982), (81, 3057760), (87, 2846880), (90, 2751984), (96, 2579985), (108, 2293320), (116, 2135160), (120, 2063988), (135, 1834656), (144, 1719990), (145, 1708128), (160, 1547991), (162, 1528880), (174, 1423440), (180, 1375992), (216, 1146660), (232, 1067580), (240, 1031994), (261, 948960), (270, 917328), (288, 859995), (290, 854064), (324, 764440), (348, 711720), (360, 687996), (405, 611552), (432, 573330), (435, 569376), (464, 533790), (480, 515997), (522, 474480), (540, 458664), (580, 427032), (648, 382220), (659, 375840), (696, 355860), (720, 343998), (783, 316320), (810, 305776), (864, 286665), (870, 284688), (928, 266895), (1044, 237240), (1080, 229332), (1160, 213516), (1296, 191110), (1305, 189792), (1318, 187920), (1392, 177930), (1440, 171999), (1566, 158160), (1620, 152888), (1740, 142344), (1977, 125280), (2088, 118620), (2160, 114666), (2320, 106758), (2349, 105440), (2592, 95555), (2610, 94896), (2636, 93960), (2784, 88965), (3132, 79080), (3240, 76444), (3295, 75168), (3480, 71172), (3915, 63264), (3954, 62640), (4176, 59310), (4320, 57333), (4640, 53379), (4698, 52720), (5220, 47448), (5272, 46980), (5931, 41760), (6264, 39540), (6480, 38222), (6590, 37584), (6960, 35586), (7830, 31632), (7908, 31320), (8352, 29655), (9396, 26360), (9885, 25056), (10440, 23724), (10544, 23490), (11745, 21088), (11862, 20880), (12528, 19770), (12960, 19111), (13180, 18792), (13920, 17793), (15660, 15816)]