254310480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 240

約数和(自身を含む): 919226880

約数和(自身を除く): 664916400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 79, 80, 85, 90, 102, 120, 136, 144, 153, 158, 170, 180, 204, 237, 240, 255, 263, 272, 306, 316, 340, 360, 395, 408, 474, 510, 526, 612, 632, 680, 711, 720, 765, 789, 790, 816, 948, 1020, 1052, 1185, 1224, 1264, 1315, 1343, 1360, 1422, 1530, 1578, 1580, 1896, 2040, 2104, 2367, 2370, 2448, 2630, 2686, 2844, 3060, 3156, 3160, 3555, 3792, 3945, 4029, 4080, 4208, 4471, 4734, 4740, 5260, 5372, 5688, 6120, 6312, 6320, 6715, 7110, 7890, 8058, 8942, 9468, 9480, 10520, 10744, 11376, 11835, 12087, 12240, 12624, 13413, 13430, 14220, 15780, 16116, 17884, 18936, 18960, 20145, 20777, 21040, 21488, 22355, 23670, 24174, 26826, 26860, 28440, 31560, 32232, 35768, 37872, 40239, 40290, 41554, 44710, 47340, 48348, 53652, 53720, 56880, 60435, 62331, 63120, 64464, 67065, 71536, 80478, 80580, 83108, 89420, 94680, 96696, 103885, 107304, 107440, 120870, 124662, 134130, 160956, 161160, 166216, 178840, 186993, 189360, 193392, 201195, 207770, 214608, 241740, 249324, 268260, 311655, 321912, 322320, 332432, 353209, 357680, 373986, 402390, 415540, 483480, 498648, 536520, 623310, 643824, 706418, 747972, 804780, 831080, 934965, 966960, 997296, 1059627, 1073040, 1246620, 1412836, 1495944, 1609560, 1662160, 1766045, 1869930, 2119254, 2493240, 2825672, 2991888, 3178881, 3219120, 3532090, 3739860, 4238508, 4986480, 5298135, 5651344, 6357762, 7064180, 7479720, 8477016, 10596270, 12715524, 14128360, 14959440, 15894405, 16954032, 21192540, 25431048, 28256720, 31788810, 42385080, 50862096, 63577620, 84770160, 127155240, 254310480]

約数ペア:

[(1, 254310480), (2, 127155240), (3, 84770160), (4, 63577620), (5, 50862096), (6, 42385080), (8, 31788810), (9, 28256720), (10, 25431048), (12, 21192540), (15, 16954032), (16, 15894405), (17, 14959440), (18, 14128360), (20, 12715524), (24, 10596270), (30, 8477016), (34, 7479720), (36, 7064180), (40, 6357762), (45, 5651344), (48, 5298135), (51, 4986480), (60, 4238508), (68, 3739860), (72, 3532090), (79, 3219120), (80, 3178881), (85, 2991888), (90, 2825672), (102, 2493240), (120, 2119254), (136, 1869930), (144, 1766045), (153, 1662160), (158, 1609560), (170, 1495944), (180, 1412836), (204, 1246620), (237, 1073040), (240, 1059627), (255, 997296), (263, 966960), (272, 934965), (306, 831080), (316, 804780), (340, 747972), (360, 706418), (395, 643824), (408, 623310), (474, 536520), (510, 498648), (526, 483480), (612, 415540), (632, 402390), (680, 373986), (711, 357680), (720, 353209), (765, 332432), (789, 322320), (790, 321912), (816, 311655), (948, 268260), (1020, 249324), (1052, 241740), (1185, 214608), (1224, 207770), (1264, 201195), (1315, 193392), (1343, 189360), (1360, 186993), (1422, 178840), (1530, 166216), (1578, 161160), (1580, 160956), (1896, 134130), (2040, 124662), (2104, 120870), (2367, 107440), (2370, 107304), (2448, 103885), (2630, 96696), (2686, 94680), (2844, 89420), (3060, 83108), (3156, 80580), (3160, 80478), (3555, 71536), (3792, 67065), (3945, 64464), (4029, 63120), (4080, 62331), (4208, 60435), (4471, 56880), (4734, 53720), (4740, 53652), (5260, 48348), (5372, 47340), (5688, 44710), (6120, 41554), (6312, 40290), (6320, 40239), (6715, 37872), (7110, 35768), (7890, 32232), (8058, 31560), (8942, 28440), (9468, 26860), (9480, 26826), (10520, 24174), (10744, 23670), (11376, 22355), (11835, 21488), (12087, 21040), (12240, 20777), (12624, 20145), (13413, 18960), (13430, 18936), (14220, 17884), (15780, 16116)]