1285454880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15661}}^1$

素因数の和:15704

約数の個数: 192

約数和(自身を含む): 4736188800

約数和(自身を除く): 3450733920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5130, 5472, 6840, 8208, 9120, 10260, 13680, 15661, 16416, 20520, 27360, 31322, 41040, 46983, 62644, 78305, 82080, 93966, 125288, 140949, 156610, 187932, 234915, 250576, 281898, 297559, 313220, 375864, 422847, 469830, 501152, 563796, 595118, 626440, 704745, 751728, 845694, 892677, 939660, 1127592, 1190236, 1252880, 1409490, 1487795, 1503456, 1691388, 1785354, 1879320, 2114235, 2255184, 2380472, 2505760, 2678031, 2818980, 2975590, 3382776, 3570708, 3758640, 4228470, 4463385, 4510368, 4760944, 5356062, 5637960, 5951180, 6765552, 7141416, 7517280, 8034093, 8456940, 8926770, 9521888, 10712124, 11275920, 11902360, 13390155, 13531104, 14282832, 16068186, 16913880, 17853540, 21424248, 22551840, 23804720, 26780310, 28565664, 32136372, 33827760, 35707080, 40170465, 42848496, 47609440, 53560620, 64272744, 67655520, 71414160, 80340930, 85696992, 107121240, 128545488, 142828320, 160681860, 214242480, 257090976, 321363720, 428484960, 642727440, 1285454880]

約数ペア:

[(1, 1285454880), (2, 642727440), (3, 428484960), (4, 321363720), (5, 257090976), (6, 214242480), (8, 160681860), (9, 142828320), (10, 128545488), (12, 107121240), (15, 85696992), (16, 80340930), (18, 71414160), (19, 67655520), (20, 64272744), (24, 53560620), (27, 47609440), (30, 42848496), (32, 40170465), (36, 35707080), (38, 33827760), (40, 32136372), (45, 28565664), (48, 26780310), (54, 23804720), (57, 22551840), (60, 21424248), (72, 17853540), (76, 16913880), (80, 16068186), (90, 14282832), (95, 13531104), (96, 13390155), (108, 11902360), (114, 11275920), (120, 10712124), (135, 9521888), (144, 8926770), (152, 8456940), (160, 8034093), (171, 7517280), (180, 7141416), (190, 6765552), (216, 5951180), (228, 5637960), (240, 5356062), (270, 4760944), (285, 4510368), (288, 4463385), (304, 4228470), (342, 3758640), (360, 3570708), (380, 3382776), (432, 2975590), (456, 2818980), (480, 2678031), (513, 2505760), (540, 2380472), (570, 2255184), (608, 2114235), (684, 1879320), (720, 1785354), (760, 1691388), (855, 1503456), (864, 1487795), (912, 1409490), (1026, 1252880), (1080, 1190236), (1140, 1127592), (1368, 939660), (1440, 892677), (1520, 845694), (1710, 751728), (1824, 704745), (2052, 626440), (2160, 595118), (2280, 563796), (2565, 501152), (2736, 469830), (3040, 422847), (3420, 375864), (4104, 313220), (4320, 297559), (4560, 281898), (5130, 250576), (5472, 234915), (6840, 187932), (8208, 156610), (9120, 140949), (10260, 125288), (13680, 93966), (15661, 82080), (16416, 78305), (20520, 62644), (27360, 46983), (31322, 41040)]