15440880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 60558624

約数和(自身を除く): 45117744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 101, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 202, 208, 210, 240, 245, 260, 273, 280, 294, 303, 312, 336, 364, 390, 392, 404, 420, 455, 490, 505, 520, 546, 560, 588, 606, 624, 637, 707, 728, 735, 780, 784, 808, 840, 910, 980, 1010, 1040, 1092, 1176, 1212, 1274, 1313, 1365, 1414, 1456, 1470, 1515, 1560, 1616, 1680, 1820, 1911, 1960, 2020, 2121, 2184, 2352, 2424, 2548, 2626, 2730, 2828, 2940, 3030, 3120, 3185, 3535, 3640, 3822, 3920, 3939, 4040, 4242, 4368, 4848, 4949, 5096, 5252, 5460, 5656, 5880, 6060, 6370, 6565, 7070, 7280, 7644, 7878, 8080, 8484, 9191, 9555, 9898, 10192, 10504, 10605, 10920, 11312, 11760, 12120, 12740, 13130, 14140, 14847, 15288, 15756, 16968, 18382, 19110, 19695, 19796, 21008, 21210, 21840, 24240, 24745, 25480, 26260, 27573, 28280, 29694, 30576, 31512, 33936, 36764, 38220, 39390, 39592, 42420, 45955, 49490, 50960, 52520, 55146, 56560, 59388, 63024, 64337, 73528, 74235, 76440, 78780, 79184, 84840, 91910, 98980, 105040, 110292, 118776, 128674, 137865, 147056, 148470, 152880, 157560, 169680, 183820, 193011, 197960, 220584, 237552, 257348, 275730, 296940, 315120, 321685, 367640, 386022, 395920, 441168, 514696, 551460, 593880, 643370, 735280, 772044, 965055, 1029392, 1102920, 1187760, 1286740, 1544088, 1930110, 2205840, 2573480, 3088176, 3860220, 5146960, 7720440, 15440880]

約数ペア:

[(1, 15440880), (2, 7720440), (3, 5146960), (4, 3860220), (5, 3088176), (6, 2573480), (7, 2205840), (8, 1930110), (10, 1544088), (12, 1286740), (13, 1187760), (14, 1102920), (15, 1029392), (16, 965055), (20, 772044), (21, 735280), (24, 643370), (26, 593880), (28, 551460), (30, 514696), (35, 441168), (39, 395920), (40, 386022), (42, 367640), (48, 321685), (49, 315120), (52, 296940), (56, 275730), (60, 257348), (65, 237552), (70, 220584), (78, 197960), (80, 193011), (84, 183820), (91, 169680), (98, 157560), (101, 152880), (104, 148470), (105, 147056), (112, 137865), (120, 128674), (130, 118776), (140, 110292), (147, 105040), (156, 98980), (168, 91910), (182, 84840), (195, 79184), (196, 78780), (202, 76440), (208, 74235), (210, 73528), (240, 64337), (245, 63024), (260, 59388), (273, 56560), (280, 55146), (294, 52520), (303, 50960), (312, 49490), (336, 45955), (364, 42420), (390, 39592), (392, 39390), (404, 38220), (420, 36764), (455, 33936), (490, 31512), (505, 30576), (520, 29694), (546, 28280), (560, 27573), (588, 26260), (606, 25480), (624, 24745), (637, 24240), (707, 21840), (728, 21210), (735, 21008), (780, 19796), (784, 19695), (808, 19110), (840, 18382), (910, 16968), (980, 15756), (1010, 15288), (1040, 14847), (1092, 14140), (1176, 13130), (1212, 12740), (1274, 12120), (1313, 11760), (1365, 11312), (1414, 10920), (1456, 10605), (1470, 10504), (1515, 10192), (1560, 9898), (1616, 9555), (1680, 9191), (1820, 8484), (1911, 8080), (1960, 7878), (2020, 7644), (2121, 7280), (2184, 7070), (2352, 6565), (2424, 6370), (2548, 6060), (2626, 5880), (2730, 5656), (2828, 5460), (2940, 5252), (3030, 5096), (3120, 4949), (3185, 4848), (3535, 4368), (3640, 4242), (3822, 4040), (3920, 3939)]