251392680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3023}}^1$

素因数の和:3061

約数の個数: 256

約数和(自身を含む): 1045094400

約数和(自身を除く): 793701720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3023, 3080, 3465, 3780, 3960, 4158, 4620, 5544, 5940, 6046, 6930, 7560, 8316, 9069, 9240, 10395, 11880, 12092, 13860, 15115, 16632, 18138, 20790, 21161, 24184, 27207, 27720, 30230, 33253, 36276, 41580, 42322, 45345, 54414, 60460, 63483, 66506, 72552, 81621, 83160, 84644, 90690, 99759, 105805, 108828, 120920, 126966, 133012, 136035, 163242, 166265, 169288, 181380, 190449, 199518, 211610, 217656, 232771, 253932, 266024, 272070, 299277, 317415, 326484, 332530, 362760, 380898, 399036, 408105, 423220, 465542, 498795, 507864, 544140, 571347, 598554, 634830, 652968, 665060, 698313, 761796, 798072, 816210, 846440, 897831, 931084, 952245, 997590, 1088280, 1142694, 1163855, 1197108, 1269660, 1330120, 1396626, 1496385, 1523592, 1632420, 1795662, 1862168, 1904490, 1995180, 2094939, 2285388, 2327710, 2394216, 2539320, 2793252, 2856735, 2992770, 3264840, 3491565, 3591324, 3808980, 3990360, 4189878, 4489155, 4570776, 4655420, 5586504, 5713470, 5985540, 6284817, 6983130, 7182648, 7617960, 8379756, 8978310, 9310840, 10474695, 11426940, 11971080, 12569634, 13966260, 16759512, 17956620, 20949390, 22853880, 25139268, 27932520, 31424085, 35913240, 41898780, 50278536, 62848170, 83797560, 125696340, 251392680]

約数ペア:

[(1, 251392680), (2, 125696340), (3, 83797560), (4, 62848170), (5, 50278536), (6, 41898780), (7, 35913240), (8, 31424085), (9, 27932520), (10, 25139268), (11, 22853880), (12, 20949390), (14, 17956620), (15, 16759512), (18, 13966260), (20, 12569634), (21, 11971080), (22, 11426940), (24, 10474695), (27, 9310840), (28, 8978310), (30, 8379756), (33, 7617960), (35, 7182648), (36, 6983130), (40, 6284817), (42, 5985540), (44, 5713470), (45, 5586504), (54, 4655420), (55, 4570776), (56, 4489155), (60, 4189878), (63, 3990360), (66, 3808980), (70, 3591324), (72, 3491565), (77, 3264840), (84, 2992770), (88, 2856735), (90, 2793252), (99, 2539320), (105, 2394216), (108, 2327710), (110, 2285388), (120, 2094939), (126, 1995180), (132, 1904490), (135, 1862168), (140, 1795662), (154, 1632420), (165, 1523592), (168, 1496385), (180, 1396626), (189, 1330120), (198, 1269660), (210, 1197108), (216, 1163855), (220, 1142694), (231, 1088280), (252, 997590), (264, 952245), (270, 931084), (280, 897831), (297, 846440), (308, 816210), (315, 798072), (330, 761796), (360, 698313), (378, 665060), (385, 652968), (396, 634830), (420, 598554), (440, 571347), (462, 544140), (495, 507864), (504, 498795), (540, 465542), (594, 423220), (616, 408105), (630, 399036), (660, 380898), (693, 362760), (756, 332530), (770, 326484), (792, 317415), (840, 299277), (924, 272070), (945, 266024), (990, 253932), (1080, 232771), (1155, 217656), (1188, 211610), (1260, 199518), (1320, 190449), (1386, 181380), (1485, 169288), (1512, 166265), (1540, 163242), (1848, 136035), (1890, 133012), (1980, 126966), (2079, 120920), (2310, 108828), (2376, 105805), (2520, 99759), (2772, 90690), (2970, 84644), (3023, 83160), (3080, 81621), (3465, 72552), (3780, 66506), (3960, 63483), (4158, 60460), (4620, 54414), (5544, 45345), (5940, 42322), (6046, 41580), (6930, 36276), (7560, 33253), (8316, 30230), (9069, 27720), (9240, 27207), (10395, 24184), (11880, 21161), (12092, 20790), (13860, 18138), (15115, 16632)]