128954280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 256

約数和(自身を含む): 487872000

約数和(自身を除く): 358917720

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, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 241, 245, 260, 273, 280, 294, 312, 343, 364, 390, 392, 420, 455, 482, 490, 520, 546, 588, 637, 686, 723, 728, 735, 780, 840, 910, 964, 980, 1029, 1092, 1176, 1205, 1274, 1365, 1372, 1446, 1470, 1560, 1687, 1715, 1820, 1911, 1928, 1960, 2058, 2184, 2410, 2548, 2730, 2744, 2892, 2940, 3133, 3185, 3374, 3430, 3615, 3640, 3822, 4116, 4459, 4820, 5061, 5096, 5145, 5460, 5784, 5880, 6266, 6370, 6748, 6860, 7230, 7644, 8232, 8435, 8918, 9399, 9555, 9640, 10122, 10290, 10920, 11809, 12532, 12740, 13377, 13496, 13720, 14460, 15288, 15665, 16870, 17836, 18798, 19110, 20244, 20580, 21931, 22295, 23618, 25064, 25305, 25480, 26754, 28920, 31330, 33740, 35427, 35672, 37596, 38220, 40488, 41160, 43862, 44590, 46995, 47236, 50610, 53508, 59045, 62660, 65793, 66885, 67480, 70854, 75192, 76440, 82663, 87724, 89180, 93990, 94472, 101220, 107016, 109655, 118090, 125320, 131586, 133770, 141708, 153517, 165326, 175448, 177135, 178360, 187980, 202440, 219310, 236180, 247989, 263172, 267540, 283416, 307034, 328965, 330652, 354270, 375960, 413315, 438620, 460551, 472360, 495978, 526344, 535080, 614068, 657930, 661304, 708540, 767585, 826630, 877240, 921102, 991956, 1074619, 1228136, 1239945, 1315860, 1417080, 1535170, 1653260, 1842204, 1983912, 2149238, 2302755, 2479890, 2631720, 3070340, 3223857, 3306520, 3684408, 4298476, 4605510, 4959780, 5373095, 6140680, 6447714, 8596952, 9211020, 9919560, 10746190, 12895428, 16119285, 18422040, 21492380, 25790856, 32238570, 42984760, 64477140, 128954280]

約数ペア:

[(1, 128954280), (2, 64477140), (3, 42984760), (4, 32238570), (5, 25790856), (6, 21492380), (7, 18422040), (8, 16119285), (10, 12895428), (12, 10746190), (13, 9919560), (14, 9211020), (15, 8596952), (20, 6447714), (21, 6140680), (24, 5373095), (26, 4959780), (28, 4605510), (30, 4298476), (35, 3684408), (39, 3306520), (40, 3223857), (42, 3070340), (49, 2631720), (52, 2479890), (56, 2302755), (60, 2149238), (65, 1983912), (70, 1842204), (78, 1653260), (84, 1535170), (91, 1417080), (98, 1315860), (104, 1239945), (105, 1228136), (120, 1074619), (130, 991956), (140, 921102), (147, 877240), (156, 826630), (168, 767585), (182, 708540), (195, 661304), (196, 657930), (210, 614068), (241, 535080), (245, 526344), (260, 495978), (273, 472360), (280, 460551), (294, 438620), (312, 413315), (343, 375960), (364, 354270), (390, 330652), (392, 328965), (420, 307034), (455, 283416), (482, 267540), (490, 263172), (520, 247989), (546, 236180), (588, 219310), (637, 202440), (686, 187980), (723, 178360), (728, 177135), (735, 175448), (780, 165326), (840, 153517), (910, 141708), (964, 133770), (980, 131586), (1029, 125320), (1092, 118090), (1176, 109655), (1205, 107016), (1274, 101220), (1365, 94472), (1372, 93990), (1446, 89180), (1470, 87724), (1560, 82663), (1687, 76440), (1715, 75192), (1820, 70854), (1911, 67480), (1928, 66885), (1960, 65793), (2058, 62660), (2184, 59045), (2410, 53508), (2548, 50610), (2730, 47236), (2744, 46995), (2892, 44590), (2940, 43862), (3133, 41160), (3185, 40488), (3374, 38220), (3430, 37596), (3615, 35672), (3640, 35427), (3822, 33740), (4116, 31330), (4459, 28920), (4820, 26754), (5061, 25480), (5096, 25305), (5145, 25064), (5460, 23618), (5784, 22295), (5880, 21931), (6266, 20580), (6370, 20244), (6748, 19110), (6860, 18798), (7230, 17836), (7644, 16870), (8232, 15665), (8435, 15288), (8918, 14460), (9399, 13720), (9555, 13496), (9640, 13377), (10122, 12740), (10290, 12532), (10920, 11809)]