161027280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 240

約数和(自身を含む): 580320000

約数和(自身を除く): 419292720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 79, 80, 90, 95, 114, 120, 144, 149, 152, 158, 171, 180, 190, 228, 237, 240, 285, 298, 304, 316, 342, 360, 380, 395, 447, 456, 474, 570, 596, 632, 684, 711, 720, 745, 760, 790, 855, 894, 912, 948, 1140, 1185, 1192, 1264, 1341, 1368, 1422, 1490, 1501, 1520, 1580, 1710, 1788, 1896, 2235, 2280, 2370, 2384, 2682, 2736, 2831, 2844, 2980, 3002, 3160, 3420, 3555, 3576, 3792, 4470, 4503, 4560, 4740, 5364, 5662, 5688, 5960, 6004, 6320, 6705, 6840, 7110, 7152, 7505, 8493, 8940, 9006, 9480, 10728, 11324, 11376, 11771, 11920, 12008, 13410, 13509, 13680, 14155, 14220, 15010, 16986, 17880, 18012, 18960, 21456, 22515, 22648, 23542, 24016, 25479, 26820, 27018, 28310, 28440, 30020, 33972, 35313, 35760, 36024, 42465, 45030, 45296, 47084, 50958, 53640, 54036, 56620, 56880, 58855, 60040, 67545, 67944, 70626, 72048, 84930, 90060, 94168, 101916, 105939, 107280, 108072, 113240, 117710, 120080, 127395, 135090, 135888, 141252, 169860, 176565, 180120, 188336, 203832, 211878, 216144, 223649, 226480, 235420, 254790, 270180, 282504, 339720, 353130, 360240, 407664, 423756, 447298, 470840, 509580, 529695, 540360, 565008, 670947, 679440, 706260, 847512, 894596, 941680, 1019160, 1059390, 1080720, 1118245, 1341894, 1412520, 1695024, 1789192, 2012841, 2038320, 2118780, 2236490, 2683788, 2825040, 3354735, 3578384, 4025682, 4237560, 4472980, 5367576, 6709470, 8051364, 8475120, 8945960, 10064205, 10735152, 13418940, 16102728, 17891920, 20128410, 26837880, 32205456, 40256820, 53675760, 80513640, 161027280]

約数ペア:

[(1, 161027280), (2, 80513640), (3, 53675760), (4, 40256820), (5, 32205456), (6, 26837880), (8, 20128410), (9, 17891920), (10, 16102728), (12, 13418940), (15, 10735152), (16, 10064205), (18, 8945960), (19, 8475120), (20, 8051364), (24, 6709470), (30, 5367576), (36, 4472980), (38, 4237560), (40, 4025682), (45, 3578384), (48, 3354735), (57, 2825040), (60, 2683788), (72, 2236490), (76, 2118780), (79, 2038320), (80, 2012841), (90, 1789192), (95, 1695024), (114, 1412520), (120, 1341894), (144, 1118245), (149, 1080720), (152, 1059390), (158, 1019160), (171, 941680), (180, 894596), (190, 847512), (228, 706260), (237, 679440), (240, 670947), (285, 565008), (298, 540360), (304, 529695), (316, 509580), (342, 470840), (360, 447298), (380, 423756), (395, 407664), (447, 360240), (456, 353130), (474, 339720), (570, 282504), (596, 270180), (632, 254790), (684, 235420), (711, 226480), (720, 223649), (745, 216144), (760, 211878), (790, 203832), (855, 188336), (894, 180120), (912, 176565), (948, 169860), (1140, 141252), (1185, 135888), (1192, 135090), (1264, 127395), (1341, 120080), (1368, 117710), (1422, 113240), (1490, 108072), (1501, 107280), (1520, 105939), (1580, 101916), (1710, 94168), (1788, 90060), (1896, 84930), (2235, 72048), (2280, 70626), (2370, 67944), (2384, 67545), (2682, 60040), (2736, 58855), (2831, 56880), (2844, 56620), (2980, 54036), (3002, 53640), (3160, 50958), (3420, 47084), (3555, 45296), (3576, 45030), (3792, 42465), (4470, 36024), (4503, 35760), (4560, 35313), (4740, 33972), (5364, 30020), (5662, 28440), (5688, 28310), (5960, 27018), (6004, 26820), (6320, 25479), (6705, 24016), (6840, 23542), (7110, 22648), (7152, 22515), (7505, 21456), (8493, 18960), (8940, 18012), (9006, 17880), (9480, 16986), (10728, 15010), (11324, 14220), (11376, 14155), (11771, 13680), (11920, 13509), (12008, 13410)]