238975920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 240

約数和(自身を含む): 877443840

約数和(自身を除く): 638467920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 486, 513, 540, 570, 647, 648, 684, 720, 760, 810, 855, 912, 972, 1026, 1080, 1140, 1215, 1294, 1296, 1368, 1520, 1539, 1620, 1710, 1941, 1944, 2052, 2160, 2280, 2430, 2565, 2588, 2736, 3078, 3235, 3240, 3420, 3882, 3888, 4104, 4560, 4617, 4860, 5130, 5176, 5823, 6156, 6470, 6480, 6840, 7695, 7764, 8208, 9234, 9705, 9720, 10260, 10352, 11646, 12293, 12312, 12940, 13680, 15390, 15528, 17469, 18468, 19410, 19440, 20520, 23085, 23292, 24586, 24624, 25880, 29115, 30780, 31056, 34938, 36879, 36936, 38820, 41040, 46170, 46584, 49172, 51760, 52407, 58230, 61465, 61560, 69876, 73758, 73872, 77640, 87345, 92340, 93168, 98344, 104814, 110637, 116460, 122930, 123120, 139752, 147516, 155280, 157221, 174690, 184395, 184680, 196688, 209628, 221274, 232920, 245860, 262035, 279504, 295032, 314442, 331911, 349380, 368790, 369360, 419256, 442548, 465840, 491720, 524070, 553185, 590064, 628884, 663822, 698760, 737580, 786105, 838512, 885096, 983440, 995733, 1048140, 1106370, 1257768, 1327644, 1397520, 1475160, 1572210, 1659555, 1770192, 1991466, 2096280, 2212740, 2515536, 2655288, 2950320, 2987199, 3144420, 3319110, 3982932, 4192560, 4425480, 4978665, 5310576, 5974398, 6288840, 6638220, 7965864, 8850960, 9957330, 11948796, 12577680, 13276440, 14935995, 15931728, 19914660, 23897592, 26552880, 29871990, 39829320, 47795184, 59743980, 79658640, 119487960, 238975920]

約数ペア:

[(1, 238975920), (2, 119487960), (3, 79658640), (4, 59743980), (5, 47795184), (6, 39829320), (8, 29871990), (9, 26552880), (10, 23897592), (12, 19914660), (15, 15931728), (16, 14935995), (18, 13276440), (19, 12577680), (20, 11948796), (24, 9957330), (27, 8850960), (30, 7965864), (36, 6638220), (38, 6288840), (40, 5974398), (45, 5310576), (48, 4978665), (54, 4425480), (57, 4192560), (60, 3982932), (72, 3319110), (76, 3144420), (80, 2987199), (81, 2950320), (90, 2655288), (95, 2515536), (108, 2212740), (114, 2096280), (120, 1991466), (135, 1770192), (144, 1659555), (152, 1572210), (162, 1475160), (171, 1397520), (180, 1327644), (190, 1257768), (216, 1106370), (228, 1048140), (240, 995733), (243, 983440), (270, 885096), (285, 838512), (304, 786105), (324, 737580), (342, 698760), (360, 663822), (380, 628884), (405, 590064), (432, 553185), (456, 524070), (486, 491720), (513, 465840), (540, 442548), (570, 419256), (647, 369360), (648, 368790), (684, 349380), (720, 331911), (760, 314442), (810, 295032), (855, 279504), (912, 262035), (972, 245860), (1026, 232920), (1080, 221274), (1140, 209628), (1215, 196688), (1294, 184680), (1296, 184395), (1368, 174690), (1520, 157221), (1539, 155280), (1620, 147516), (1710, 139752), (1941, 123120), (1944, 122930), (2052, 116460), (2160, 110637), (2280, 104814), (2430, 98344), (2565, 93168), (2588, 92340), (2736, 87345), (3078, 77640), (3235, 73872), (3240, 73758), (3420, 69876), (3882, 61560), (3888, 61465), (4104, 58230), (4560, 52407), (4617, 51760), (4860, 49172), (5130, 46584), (5176, 46170), (5823, 41040), (6156, 38820), (6470, 36936), (6480, 36879), (6840, 34938), (7695, 31056), (7764, 30780), (8208, 29115), (9234, 25880), (9705, 24624), (9720, 24586), (10260, 23292), (10352, 23085), (11646, 20520), (12293, 19440), (12312, 19410), (12940, 18468), (13680, 17469), (15390, 15528)]